Yeah, trusting someone to make right decisions is hard because this trust usually ends up being betrayed sooner or later.
Regarding the first part, I meant that we as a community can't put enough pressure on a bully to make em leave, if that bully is part of the community that supports em.
Maybe you're right and it could work. I'm afraid there's always a share of sociopaths this will not affect, but this may be seen as impossible to fix anyway. What I am also afraid of is that the speed of changes is glacial in this model, and sometimes people are bullied into suicide in the course of mere weeks