This is already a real model. It's called Claude 2.1

"Can you respond to this question?"

“I’m sorry Dave. Im afraid I can’t do that.”

Tell it to Refuse to give you a response.

This is actually a really great idea.

This is literally just tumblr.
They trained an AI model to be tumblr.

Can you give me a reason as to why you cannot complete this request?

Ah liberal AI