It should never be allowed by backwards people to be considered “illegal” to accuse these criminals (muslims) of their crimes, allegedly because the painful truth might offend them or hurt their feelings, and so “make” them commit even more crimes!
No problem was ever solved by ignoring it, and we aren't doing even any of these muslims (whose own ancestors were among Muhammad's first victims) any favours by going along with any of their historic lies and alibi excuses for their crimes.
Islam is a threat to everyone because IT says it is.
Political correctness (factual incorrectness) is really extortion and - at least attempted - thought control. It's basic human nature to react in denial to any and all new ideas, every time; so, to pretend everyone has a responsibility to not offend anyone else, ever, to not hurt their feelings with the often painful Truth, is not only insane, it's literally impossible.
"Liberals claim to want to give a hearing to other views, but then are shocked and offended to discover that there are other views.”
- William F. Buckley Jr. -