Unfortunately there is some legitimacy to the question. Islam requires conversion by the sword or extreme oppression of people that don't believe in Allah as represented by Mohammed. Muslims who are killing and murdering non-believers are only acting in accordance with their faith. Reasonable people struggle with this concept and it seems to me that the poster is just attempting to understand why moderate Muslims are not standing up against the murderers. Its simple, Islam is not a religion of moderation, it is a religion that demands conversion by the sword. The average Muslim is not standing against the murderers because he is acting in accordance with their faith.