I can't disagree. I don't think we should have left the way we did. There are two reasons I think this unfolded the way it did.
1) Trump wanted out of Afghanistan. He wanted out bad and he wanted out now. He felt it would be seen as a victory and as such, began a pretty hasty withdrawal.
2) Biden and his group are idiots. They could have pumped the brakes on this, made an assessment as to whether Trump's plan was even feasible, and even re-engage with the Taliban if necessary. They **** canned every plan, program, and policy that Trump had in place. Except, apparently, this one. This withdrawal should have been done slowly and deliberately over a period of a year or so, enough time to remove sensitive military equipment, destroy anything the Taliban could possibly use to their advantage, shut down the embassy, process visa's and get people out as accomplishment of those various tasks allowed. But no, even after extending the withdrawal deadline by 90 days, they still ****** it all up.
And this is what has me believing that had Trump still been President, it wouldn't have been much different. He was operating on a hastier deadline of May 1st. It was too fast. They would have had even less time to do the things required to exit. Now, who knows what communications happened, and what new orders came down after Jan 20th, but I think it ends up in the same disaster we saw here. Just my opinion, because we will never know.