Two very bad analogies in the first paragraph. 1/ We don't know much or anything about our prehistoric ancestors; but we do know that lions don't hunt humans,

Two very bad analogies in the first paragraph. 1/ We don't know much or anything about our prehistoric ancestors; but we do know that lions don't hunt humans, because where they still cohabit in a natural state, it's rather the other way around 2/ The story of the frog in slowly boiling water is apocryphal and false; if you put a frog in a jar and heat it, however slowly, the frog WILL JUMP OUT