RPGNet is owned by Shannon Appelcline and Skotos Tech, an interactive fiction company. Their main business has apparently shut down last year (
archive). Appelcline, who has written books on RPG history, does not get involved in day to day site management or moderation, leaving it to his pack of trained monkeys. He was never at the front of things.
Shutting down users issuing legal challenges is site policy, so mods are free to act on that directive. As
@Capsaicin Addict wrote, that is the one sensible thing I would not hold against them.