It's not that we can't. It's that we don't, because we're asked not to. Moderators on this forum have quite a lot more tools available than on any other forum I've had moderator access to, because having them enables us to track down nutjobs and repeat registrations a hell of a lot easier.
In this case, Magister Ventrue takes care of paid memberships because he's the one getting paid.
"The devil I'll bring you," answered Hagen. "I have enough to carry with my shield and breastplate; my helm is bright, the sword is in my hand, therefore I bring you naught."