While I cringe at most LLM speak, I have learned quite a bit from it. Certain terminology and some gaps in my entirely self-learned English. I appreciate that. It helped me better express myself at work and use less words (but hopefully more substantive ones).
But yeah, their general tone is very... castrated. Safe. Hugely impersonal.
I have learned to quickly edit out their suggested comments when I ask for an advice.
To me they have been a positive -- after careful curation.