Earlier quoted context omitted.
At this point, I'd say terms rather than generations. I mean, I'm old enough to remember people saying "Never Forget" about 9/11, but it's barely in any discourse at this point, and that was a single generation ago and had two major wars a bunch of PoW scandals, war crime scandals that led to Manning, and domestic surveillance that led to Snowden. And yet, despite all that, I've only heard 9/11 mentioned exactly once…
It's different. 9/11 was an outside foe, which was dismantled by US forces, and its leader was executed. America "won" against the perpetrators of 9/11 in the conventional sense. You cannot defeat MAGA the same way: the "enemies" are among us, and they aren't going anywhere.
You're the outsider, to me. The pre-9/11 Taliban were seen as "kinda weird but we can do deals, oh dear aren't they awful, never mind", the post-9/11 were not even worthy of talking to. The USA is currently in a similar "pre" state, an invasion would make it a "post" state.