You mean for the US maybe. In Europe I don't think people cared that much.
In my mind there was weird post Soviet innocence in the 90s where the West felt invincible and many believe Western style democracy would take over the world within decades. 9/11 was a rude awakening, and we have been living in its shadow for the last 20 years.
This viewpoint was well described (and I think influenced) by Fukuyama's book "The End of History and the Last Man"
https://en.wikipedia.org/wiki/The_End_of_History_and_the_Las...
No, general reaction was: The biggest military/nuclear power in the world is going to be very pissed, lets hope the results don't end up here.
And it did end up here. The US lost all moral high ground. All kinds of nasty military and spy industries smelled an opening, making the world a worse place.