100%, and yet I don't think I can rationally act differently. It's not like if I just keep on like everything is normal that'll save the economy. It'll just put me in a worse spot if what I'm expecting does indeed come to pass.
(The recession started in March, well before 9/11, but the attempt to encourage shopping to deal with the perceived problem was a post-9/11 thing.)
The Bush recession is often perceived as longer and deeper than it was because of the poor distribution of gains (in part due to the tax burden shift of the Bush tax cuts) of the expansion that started in late 2001 and ended with the Great Recession.