I have never trusted McMaster.
I tried really hard to get on board when McMaster went on record saying that it was wrong to talk about Islamic terrorism because it gave the terrorists cover by saying that their actions were Islamic and it offended the Muslim allies we would need to fight the terrorists. I listened to two speech/lectures he gave.
But I was always unconvinced as though talked into a high profit margin lemon by a salesman. Straight talk is always best. These are Islamic folks murdering, maiming & raping in the name of Allah. If the other Muslim want to disown them its on them to make it clear; not on us to pussyfoot.
I am a believer in common sense, walks like a duck, quacks like a duct, profile it as a duck and take appropriate precautions.