I assume he's well meaning because I've been seeing his posts for a few months already in the OCaml forums before this pattern of his started, but he's suddenly acting irrational and doubling down. There's no way I can put that nicely, plus he's since deleted his strongest reactions so you can't grasp it fully either.

This is not my first interaction with him outside HN, I already talked to him privately when this was starting to unfold in the OCaml community. Then I gave up, flagged his ads for the mods and blocked him for a few months, but I've kept encountering his drama on github and HN.

I've been following as well. As much as i disagree with it, I appreciate that he has the audacity to propose this "all in" attitude. I'm a bit worried by the amount of anger that border doxing at times. I'd like this community to behave better.

I don't think doxing means what you think it means but whatever. I also expected more of him than to spam ads, waste the time of maintainers and mods on multiple communities, and reply passive-aggressively to anyone asking him to tone it down.