You've described basically every single human being in tech I've ever met, they just don't have as big a platform. See: Musk's twitter feed, for instance.
There are only a handful of case studies of really bad cases I'm aware of. And they're not that exacting in follow-up.
Note research, not opinion pieces.
Good quality papers. I found just a handful. I'm having trouble fishing then out from the thousands of opinion pieces.
Edit: I found one credible meta-analysis so far, and the results are not good. Most of abuse is not reported. Impact is not known, how handling of it is done is unknown to affect severity.
Because people believing in that wrong thing will point to you as a figure of authority.
Not fair, but life's not fair.