This is an opinion of one of my contacts:

Islamic fundamentalists are after the values of the western world.
That may include our capitalistic system of economics and even our Christian values.
I think most people accept that as the reason for the Islamic idiots who attacked the towers.

After all, they call us infidels.

My response was:

The values of the western world
Surely you don't believe that there is a limited,
finite supply of this commodity in the world
and that in order to acquire some of this priceless substance
one must attack those that have it and wrest it from them?

It is not, however OIL is.

I think most people accept that
as the reason for the Islamic idiots who attacked the towers

I think that you are being a tad presumptuous in using the word "most".

After all, they call us infidels.
I'm sure that infidels is the word Christians have used
for the people of the Moslem faith.
It means persons who do not believe in Christianity.