I would guess that his being in a religion like that would cause him a conflict that he could not address except through further wickedness. No mercy, unlike Christianity.
Anyhow it seems time for the world to sit, ponder this all, and take stock.
So far the only,one echoing God given common sense is Trump.
And for my tastes he has not gone far enough.
Ban them. Start rekoving them back to muslim countries.
Never let in any again.