Trying to tie an election loss(es) with some sort of revenge scenario is flawed logic at best.
No, the truth is he's an agitator, and doesn't tolerate lazy representation. He has a large voice, because what he has to say resonates with a large swath of your membership. Wanna know how to silence "dangerous" people like Tim? Have 141 get it's sh*t together. Or, to use your term, have them "be on top of their game." It's really that easy...
Doesn't work that way on a public forum. You don;t get to select your audience. it's just like when you walk into a breakroom to discuss this T/A with the membership. You do plan on doing roadshows, right?