For me, whenever anyone includes AI generated crap in their comment, I think three things:
Great, I now need to fact check this because you can’t trust AI
If I wanted AI generated crap, I’d go get it myself
The commenter couldn’t even* be bothered to actually author their comment, this is the lowest of low effort content, and is definitionally deserving of a downvote
For me, whenever anyone includes AI generated crap in their comment, I think three things: