You'll prefer entertaining AI when you're in the mood for entertainment. What about when you just want something done so you can move on with your life? Will you appreciate a robot playing fake emotional mind games?
“Acting as a customer service agent, enquire about how you can assist a customer” kind of prompt. There should be plenty of training data for how customer service agents interact and the kinds of words they use and attitudes they affect, and easy fine tuning for what is and is not appropriate.
This kind of statistical context seems like exactly what these language models are good at: sounding like what is expected. You lean on your customer service robot to interact a certain way and it will.