If we imagine that islam did not exist who else could we point to that does the same things the followers of islam do? Other than the Zetas and MS-13 I can’t think of anyone else.
Well there are a number of communists, socialists, and facists that come to mind.
Don’t let the Maoists off the hook. The ones in Nepal and Peru’s Shinning Path were about that bad but there aren’t 1.3 billion of them like there are Muslims.