Historically, Islam was hijacked about 20 or 30 years after the Prophet and interpreted in such a way that the ruler has absolute power and is accountable only to God. That, of course, was a very convenient interpretation for whoever was the ruler.
Nuclear proliferation is on the rise. Equipment, material and training were once largely inaccessible. Today, however, there is a sophisticated worldwide network that can deliver systems for producing material usable in weapons.
Israel claims it needs nuclear weapons as a deterrent against any threat to its existence. The Arab world in return feels that this is an imbalanced system; there is a sense of humiliation and impotence.
People feel repressed by their own governments; they feel unfairly treated by the outside world; they wake up in the morning, and who do they see - they see people being shot and killed: all Muslims from Afghanistan, Iraq, Somalia, Sudan, Darfur.
You don't get the fox to be in charge of the chicken coop. You don't give the outgoing regime - which has been practicing dictatorship, is an authoritarian system, it's a bunch of military people - the task of changing Egypt into a second republic, a new Egypt with democracy, freedom, rights, etc.