Actually in the vast majority of cases if Muslims abuse anyone, no one cares. It is perhaps a lingering legacy of racism and colonialism. You can see this in the news. If Muslims kill other Muslims, no one cares. Not even most Muslims to be honest - look at how much time this BB spends on "hot button" issues like Palestine, Iraq and Afghanistan and how little it spends on Sudan or Algeria. Partly this is probably because there is a lack of good TV footage of such crimes, but mostly it is probably that Western people do not care much.
When Muslims abuse First World people, then the West cares. A lot. But the reasons for that are invariably political, which is to say, these days, religious. If Islamist radicals kill tourists in Egypt, it is because they are Islamist radicals not because they are Egyptians or Africans or whatever. It makes sense to discuss Islamist violence in terms of the justification the terrorists use - and they use Islam as an excuse. What other term would you use to describe them?
I would be interested to know of any Buddhist terrorists anywhere in the world. For that matter I would be interested to know of any Christian terrorists anywhere in the world (although there are some they are so insignificant I doubt anyone can think of one offhand). What there have been in the recent past is Marxist-Leninist Terrorists. Some people used to be Christians, and then became Marxist-Leninists and terrorists. They are usually describes for exactly what they are. The IRA is invariably called "Republican" because that is what justifies their violence. The PLO used to be called a Arab Socialist or Marxist-Leninist group because that is what they were. The DFLP even more so. Hamas is called an Islamist group because that is what they are.
Soldiers who are Christians or Jews do beat up children. We all know that. But they do not do so because they are Christian or Jewish. They do so because they are keeping law and order or because they are Zionists. What counts is what motivates them. Not what they are on Sundays. If a terrorist is motivated by his interpretation of Islam - no matter how wrong you may think that interpretation is - what else would you call him?
