Not the 90%, but a good majority.
He cited a recent Gallup poll of nine Islamic countries showing that 60 percent of those polled said they believe that Israel or the Jews were behind the 9-11 terrorist attacks.So in the heart of the radical Islamic world, 6 in 10 thought this. Quite a bit different than the 9 in 10 here in the US that you claimed. Your proof doesn't make your point, it disproves it.