Well, 2 or 3 mods were probably aware of the ongoing popcon and its organizer, because they withdrew
If bans really are not done lightly, like it is stated in the rules, then perhaps this one was discussed?
Unless in case of IP clash you have a tool of automatic ban, which I know it's not true, because I was asked once behind the stage about two posters who were my friends, and they were a real life couple. This situation from the past proves delicate cases (especially that regard very long time members) CAN be handled delicately.
Leng jai and tripwires were receiving PMs regarding Ajdeman before any ban was imposed, this I know for sure as well.