It was across multiple communities, as the user was following me and responding to everything I said. The comment I reported was in r/memes, and the first place they started hassling me was r/funny.
Once I know it’s alright to do so, I’ll share a screenshot of one of the messages they sent to me.
I haven’t watched YouTube much since they broke the search. And that’s far from the only thing they broke, it’s just what stopped making the site very worthwhile to me. I’m sure I’m not the only one who’s significantly cut down or stopped using it.