USA invaded Afghanistan and Iraq not because of Al-qaida, but because of the oil.
I think every American is aware of this idea. That's what a lot of the protests were about.
He’s just being used by American government to keep American society in constant fear.
And to make things worse, it seems that every single person who makes a terrorist threat against the US or attempts an act of terrorism claims that they were sent by bin laden. I don't know if it's true but that's what they usually claim. The US gets terrorist threats all the time, for public gatherings, sports stadiums, parades, buildings...
Besides, while we can move freely throughout the whole EU, we have to get a visa in order to go to USA.
And it's gotten even harder to get one since 9/11.