>>538041354
He doesn't see them as human, so he doesn't refer to them as such. It's consistent, but it ultimately comes off as fatuous drivel when (You) have superpowers and he doesn't. "Primitives" is just "Karen" but futuristic.
I expect that song to change tune in the next installment though. He seems pretty shaken up by the realization that Mytyl is an adept. Maybe they can be more than just wall splooge to him, just a little.