Well, I will admit that I've never heard one of the 'terms' (for want of a better word) offered by Bin-Laden to be the mass suicide of everyone west of Egypt. And such a want in these people would be the ultimate pipe dream.
Yes, there are Easterners who would love to see the West destroyed, just as there are some Westerners who would feel more comfortable in the opposite situation. But if theres one thing that's been stressed it's that Terrorists aren't stupid, so if they aren't stupid, why would they want something as stupid and self-destructive as that?
They don't want to destroy the West, they want the same luxuries and privileges as the West, this hasn't come about partly through self interests in the UK, US and other countries and partly because of the unwillingness of many Eastern leaders to invest the required money in their infrastructure.
So, no, it's not solely Americas fault, and yes, some of the complaints aimed at the West by leaders in certain areas of the East are purely to distract attention away from their own faillings, but with all due respect, that is no different to other governments using Terrorism as an excuse to distract people from theirs.
We're all being mislead to believe minorities are majorities, be it bloodsucking businessmen to radical suicidal Muslim terrorists. And the wave of generated hatred, misinformation and prejudice that has been created threatens to make the Tsunami look like a slightly high tide.
To be honest, Vietnam was the 'War to End all Wars' of this sort, since it proved that traps, terrorism and 'insurgency' could wear away an army which is designed for head-head combat.
Edit : In fact, I seem to recall Saddam saying that America would face 'another Vietnam' if they went into Iraq, and, for the main part, he wasn't wrong.