tbh, he was the only one I am aware of at this scale.
Even though my witness had been (properly) disabled for 2+ years, I got mentioned weekly and then he edited that post like 8 times in a day, resulting in like 16 hivemind notifications in one day, just for me.
With all the mentions in that post that's some 100s of notifications sent and that is spam.
His reaction when I asked him to stop mentioning me was real bullshit, so I downvoted his posts and he just downvoted me in revenge. So yeah: it's personal.
I think he gets rewarded plenty and the post is just an excuse to get more.
There is a proposal fund and he got good chances to just be rewarded there.
If he'd not get enough rewards and recognition for his work on condenser, I'd support his posts, but in his case I think it's enough and he'd have other means of getting paid.
The posting rewards are for posts.
Also, I have seen people get threatened with heavy downvotes for mentioning less people than him. I think it is real unfair how some are allowed to do it, while others are not.
...at least he had enough humor to upvote my post about him, where I mentioned him exclusively in my compilation of data about witnesses mentioning me the most.