The excuse so many people in Congress gave was basically that something had to be done against an unorganized enemy and the AUMF allowed that leeway. Emotions ran so high that they didn't think for a second beyond that. Somehow I'd never really known much about this at all and at this point in 2021 I'm not entirely sure how many younger congress people even know about it. Some of them are even younger than me and I'm having to relearn everything that was swept under the rug for over half my life. I think we should absolutely not let Biden forget that he voted for the AUMF, didn't argue against it as VP, and apparently just used it again the other day in retaliating against the airport attack (justified, but see, it's complicated).
The crazy thing is that we're so active against terrorism-type stuff around the world that people off the street, and probably most of us here, definitely myself, have no idea where all we're actually active. And we've got very big, very organized problems on the horizon so assuming we're quite active in random engagements all over the place it calls into question the importance of that AUMF and whether all of these activities matter all that much or can even be sustained.