This is an official warning that any players who abuse Quarantine Mode to gain an unfair advantage will be punished accordingly. As with previous instances of EXP/GP exploits, we will be monitoring player profile data for abnormal EXP and GP gains per match. Please be aware it is quite obvious to us from data monitoring which players are power-leveling, guilty players will be demoted back to Trainee without question.
Did you just make that up? I don't see that notice on the site.