Once upon a time, people overseeing web forums used to have the ability to move posts, split topics, and even shunt comment chains into other, exising posts.
You are perfectly right about this. However the times, or at least the environment have changed. I trusted most web forum moderators for acting in good faith, one or two orders of magnitude more than any Reddit (or now Lemmy) moderator...
My (regular) fat bike frame broke at the same place. Are you tall and was this a large size frame? Mine broke when I stood up on the pedals: the whole body weight + the pressure applied and transmitted through the chain, pulling the wheel axis frotnwards. I have the feeling long frames are more likely to break this way, and fat bike frames too as the chain stay has to make a big curve to leave room for the tire, which weakens the tube and its ability to respond to tensions which are not any more directed in the 'right' way.