So you “don’t care whatsoever” about fixing the problem you seem so passionate about and would rather winge about it. The rest of us are interested in solutions. You are soapboxing to primarily left leaning people here on Lemmy so I don’t know who you are hoping to proselytize.
You should take a moment to read up on the topic.
https://en.m.wikipedia.org/wiki/2020–2021_U.S._troop_withdrawal_from_Afghanistan
Trump signed the original agreement with the Taliban. Biden delayed the deal from May until September. Trump had a year to handle sorting the agreement he made.
Most of us understand both presidents failed in it’s execution. It’s important you know that Trump lit a short fuse and walked away.