It'd be logistically easier, I just doubt Reddit is going to put forth the money and staff time required to enforce it. Current enforcement is based on reporting, I believe, and don't reports go to mods first.
And they definitely will organize off site. Discord is huge for this. I also bet they would use VPNs since a lot of them have the barest hint of tech knowledge and a burning ideological conviction they're doing something important.
> hope no one ever defects and exposes the underground moderation ring.
Man, whoever had the balls or ovaries to do that would be immediately smeared and mobbed.