This seems like a cultural mismatch more than anything. Mozilla makes software that human people use and human people use normal language rather than avoiding the non-profitable aggravation associated with emotive language that a company employee might be used to.

Look at the point that op made instead of the tone: the AI feature should be opt-in not opt-out.

That's a good point. Let's talk about that. It seems like it's a simple thing to do to show good faith that this won't be a normal corporate AI push.