What could they do?
It's BS magic, not science.
Like, mutants are still humans since they are born from humans, they are just a different type of human. One day every human born will be a mutant or whatever. It is the irrational racists that respond to that with building murder machines and then go all Pikachu face when the Sentinels are like "they came from you, so we're enslaving you too btw."