If you'll go the other 50% and remove 'the Christian menace' then I'm with you all the way brother
+1. Xtians aren't quite
as proactively malicious as Muslims, but enough to be problematic. So are Jews. Without even quantifying Mormons or Scientologists. Even Buddhism was a spot of a bother, almost this time in 1941.
Then there's the Crusades, the Inquisition, and pedophile priests. Religion is definitely a plague. Except maybe Presbyterians, they never did anything bad to me.