You sound like Pamela Geller and Robert Spencer.
No it is not strictly and arab thing. Not all muslims are arabs and not all arabs are muslims. The things you desribed aren't done by normal muslims, the are done by wahhabists. They are a sick, extreme branch of Islam and they hate everyone else. Especially shia-muslims which is why they are now in Syria fighting Bashar al-Assad who is not only an alawite but also a secular arab socialist and nationalist. Things they all hate. If the wahhabists (that the western media calls rebels) win, they will rule Syria the same way the Talibans did in Afghanistan in 1996-2001. But they won't win since the Syrian army are better trained.