> If we think of human emotions the same way, just evolution's way of nudging behavior

What are other alternative, realistic possible ways to see emotions?

I'm not being pejorative but that sounds more like psychopathy or autism?

Evolution isn't a god, it has no steering hand, it is accidents that either provide advantage or don't.

LLMs are getting more human-like because that's how we're developing them. Arguably that's about market forces. LM owners see opportunity to exploit people's desire for emotional interactions (ie loneliness) in order to make money.

Probably the other direction. Emotions are raw, most humans relate and change behavior accordingly.

Only psychopaths think of emotion as nothing but a means to changing behavior. The scary thing is that LLMs by nature would exhibit the same behavior.