Willing to bet that they were probably banned because of disinformative conspiratorial crap like this. Is that not why it was banned on World for a short time?

Vote manipulation will be tricky to enforce, since votes can come from any Instance due to the whole federation thing, if the user uses the same username on their account it’s easy but if not it can be very difficult if not impossible.

There’s a Matrix Room for building mod tools here maybe we might want to bring up this issue there, just in case they aren’t already aware.

That’s not a troll, CSAM goes well beyond trolling, pedophile would be a more accurate term for them.