The United States’ 20-year war in Afghanistan has finally come to its painful conclusion. “America’s Longest War Ends as Last Troops Leave Afghanistan” proclaimed The New York Times home page Monday evening.

There is, however, one dimension to the conflict that is still being fought — the role of the media in reporting on President Joe Biden’s management, or mismanagement, of the final chaotic and deadly weeks. Surely, many journalists said, Biden could have ensured a more dignified exit than a mad crush at Hamid Karzai International Airport, with desperate Afghans plunging to their deaths from transport planes, culminating in last week’s terrorist attack.

Increasingly, though, others have been making the case that, once Biden decided to end American involvement in Afghanistan once and for all, there was no alternative to the monumental ugliness that played out on our TV screens.

“Biden does not deserve the cheap shots that critics have taken at him when they postulate that his administration screwed up what would otherwise have been an orderly withdrawal,” writes Daniel McCarthy, a vociferous Biden critic and a conservative, in The Spectator World. “Even if the withdrawal had been much better executed, as indeed it should have been, it would still have been a disgusting spectacle, a ripe occasion for media posturing and partisan sniping.”

The end — or a least a temporary pause — of the liberal-leaning mainstream media’s honeymoon with Biden can be traced to systemic flaws in the way that the press covers Washington. Three of those flaws have been on vivid display in recent weeks.

• First, there is the media’s primordial need for balance — for treating Democrats and Republicans as if they are both legitimate actors even though the Democrats, for all their flaws, continue to act as a normal political party while the Republicans have descended into authoritarianism and lies. The media cling to both-sides-ism despite four years of a raging sociopath in the White House, an attempted insurrection by his supporters, and dangerous denialism about COVID-19.

Thus, after five years of harshly negative coverage of Donald Trump (negative coverage that he richly deserved), you can almost hear the press breathe a collective sigh of relief that it can finally go after Biden and even up the score.

Here’s a data point that shows how ingrained this is. Last Friday, Amna Nawaz, filling in as anchor of the “PBS NewsHour,” noted in a conversation with political analysts Jonathan Capehart and David Brooks that a number of Republicans have criticized Biden over his handling of the war.

“It really does run the spectrum of Republicans,” she said. “You have everyone from Sen. Ben Sasse, to Sen. Ted Cruz, Congresswoman Liz Cheney, Rep. Marjorie Taylor Greene and, of course, President Trump.”

Marjorie Taylor Greene? The QAnon-adjacent conspiracy theorist from Georgia who continues to defend the insurrectionists? Well, she’s a duly elected member of Congress, and according to the both-sides formula, she needs to be normalized. It’s crazy, but that’s the way the game is played. Too bad it’s not a game.

• Second, maybe it really is a game. Because, in too many cases, the Washington press corps glides past the substance of an issue and wallows in the political implications. Partly it’s because politics is what they know and are most comfortable with. Partly it’s a way to avoid taking sides by focusing instead on who’s winning and who’s losing.

The caricature version of this type of pundit is political analyst Chris Cillizza of CNN. Last week, several days before the terrorist attack, Cillizza wrote a piece that dwelled entirely on the political ramifications of Biden’s decision to leave Afghanistan, reveling in polling numbers and in what New York University journalism professor Jay Rosen derides as the “savvy” style of political journalism.

“Biden’s bet,” Cillizza writes, “is that while Afghanistan is top-of-mind for most voters right now, it will fade as a priority — as foreign policy often does — when it is no longer the lead story in the news every day. That if Americans get out safely, that the public will lose interest in what’s happening in a faraway country and return to domestic issues like the state of the economy and our ongoing battle against COVID-19.”

Hey, it’s all politics, right?

• Third, too many establishment journalists, supposedly paid to cover the news rather than express their opinions, were in favor of the U.S. mission in Afghanistan and opposed to Biden’s decision to end it once and for all.

“Much of the problems with the press coverage lie in the coziness between foreign policy elites and reporters who rely on them for information,” writes Alex Shephard in a perceptive New Republic piece. “The biases of interventionists and hawks flow frictionlessly into news coverage, treating the exit from Afghanistan as a capitulation and outrage, rather than as one — and perhaps the best — of a number of bad options.”

A telling example is Peter Baker’s widely criticized “news analysis” for The New York Times in which he quotes George W. Bush alum Meghan O’Sullivan and Gen. David Petraeus to argue that Biden could have achieved a different outcome. Describing Biden's own framing of the options he had before him as "either complete withdrawal or endless escalation," Baker writes, "Critics consider that either disingenuous or at the very least unimaginative, arguing that there were viable alternatives, even if not especially satisfying ones, that may not have ever led to outright victory but could have avoided the disaster now unfolding in Kabul and the provinces."

Another example plays out on television, where a variety of former officials from the George W. Bush administration and former generals have been given air time to criticize Biden, notwithstanding their direct role in sucking us into what was, until recently, an endless war.

There is one other factor that needs to be considered when analyzing media coverage, and that’s the asymmetric role played by the mainstream media and the right-wing propaganda machine headed by Fox News.

As Jonathan Chait points out in New York magazine, Democrats and liberals can’t always count on sympathy from the mainstream because journalists want to be seen as skeptical and even-handed. Fox, on the other hand, is going to espouse a mindless pro-Republican, pro-Trump line no matter what the issue, even if it is exactly the opposite of the line it took a week earlier. At moments like this, the entire weight of the media is coming down on Biden, whereas Republicans can count on Fox being in their corner even in the worst of times.

“Even the most dishonest, incompetent, and scandal-ridden Republican presidency imaginable — which more or less describes the one we just had — will still have a media environment divided almost equally between scorching criticism and obsequious fawning,” Chait writes, adding: “In recent days, CNN and MSNBC looked a lot like Fox News, all hyping chaos in Afghanistan 24/7. That is the kind of comprehensive media hostility Trump never had to worry about.”

Now, none of this means that critical coverage of Biden was entirely misplaced. Few presidents have ever come into office with his depth of foreign-policy experience and, seven months in, he’s no longer a new president. We’ve all seen reports that U.S. intelligence officials believed the Afghan government could hang on for a year or two before its inevitable collapse. Surely a more orderly withdrawal could have been planned if they had been right. Why was Biden so seemingly unaware that his own advisers didn’t know what they were talking about? What is he doing about it?

Last Friday, on “Washington Week,” host Yamiche Alcindor replayed Biden’s embarrassing answer to her question earlier this summer that there would be no repeat of the rooftop evacuation that marked the end of the Vietnam War. Biden was right — what happened in Kabul was considerably worse.

But one of Alcindor’s panelists, Ayesha Rascoe of NPR, made an important point that has too often been overlooked by the media in its eagerness to pillory the president: “I do think this is an American tragedy, though. This is 20 years. This is four administrations. This is not just on the Biden administration.”

Indeed. The war in Afghanistan was a generation-long tragedy. Bush could have launched a targeted attack aimed at capturing or killing Osama bin Laden rather than a full-scale war to remake Afghan society. Barack Obama could have declared victory and pulled out after bin Laden was killed.

Instead, it was left to Trump to question our ongoing commitment and Biden to bring it to an end. That doesn’t mean Biden got everything right and shouldn’t be subjected to tough scrutiny. It does mean that our flawed media system was inadequate to the moment — and that we need to think about how we can do better.

GBH News contributor Dan Kennedy’s blog, Media Nation, is online at dankennedy.net.