"I suspect I'm not the only monk who's gotten fed up with the trolling and left or cut back on their participation."
I am not taking either sides, after all, no side comes out as rightious in those flame wars.
However there is no need for you to threaten the community just because you didn't win. In the past the community was never hurt because of anyone's quitting, regardless who he is. Abigail did so twice, so what? tilly did it once, so what? If you leave, there might be couple of thread about it - memorial services and that's it.
I am not taking your side or your opponents' side, but you should have a better understanding where you stands and whether you can hurt the community by quitting.