That doesnt excuse you from the obligation to be civil. Especially given that the other party was trying to help.
replying with LLM generated text without clearly labelling it as LLM generated text is inherently dishonest
I'm a pretty civil person, but I won't go out of my way to be extra polite to someone who is being actively being dishonest towards me
It's more uncivil to waste another human's time with slop, it's extremely insulting. There is a massive public backlash against the tech for many reasons now.
There was nothing uncivil in the response the above commenter gave.