The violence stems from injustice, because people feel they have been treated unfairly in the Middle East, whether that means military occupation, starvation under U.N. sanctions, whether it means that they have a dictatorship imposed on them, propped up by the West. This is why people turn to violence, because they have no other avenue left.
Robert FiskIndividuals in various countries like Egypt and Saudi Arabia listen to the tapes of bin Laden. They gather in groups of four or five. They feel they want to do something to express their support for what they've heard. The idea that they were taking orders is a particularly Western idea.
Robert Fisk