As a matter of fact, you can turn anyone into a violent person/ or a hater. What helps is : 1. Lack of education 2. Lack of social environment 3. Lack of perspectives
Sadly, many muslim countries have 1,2 and 3. On top of that, the religion imposes rather strict rules (important number of daily prayers etc), leading to a faster "brainwash" if this is the desired outcome. The religion is also one based on "conquest" (conversion to islam is pretty straightforward, while conversion to Judaism is one pain in the butt), meaning the overall climate is more "agressive". Yet, it remains wrong to only target them. Hindus are quite violent as well in regions of India where Christians are more present, Christians are violent in middle-egypt etc. So in the end, it's more an issue of region than religion. The fact that KSA and Iran finance suicide attacks in many countries probably does no good either.
Christians are tame and tolerant at this point in history. but there were times like the Crusades, the Inquisition and the Salem witch trials when they demonstrated how violent and zealous they can be. If radical elements of Muslim society keep up with the violence; the day might come when not more than a few radical Christians emerge from the old cocoon and take up the sword; it certainly wouldn't be the first time. They could make up for their lower population numbers with B1 Bombers and perhaps a few well targeted H Bombs