I've blocked that user a long time ago. The thing is, that's really the best way to manage such people. Ignore them entirely. I've been having a very different experience since I did so, although the activity is much less. I fear it's as expected, where a few keyboard warriors with no jobs end up dictating the participation on the platform, driving anyone else who might want to discuss something fruitful away.

And, of course, since I don't really find the central premise of the website being enforced at all, my own desire to participate is effectively nil. Why bother, there are 50 other platforms identical without any interest in trying to promote better discussion. If that central point isn't so enforced here, there goes any reason to do so.