They said they have a guy around during regular working hours who handles administrative stuff like payroll and dealing with the rest of the world while it's open.

Other people claim to be paid, some of them with tenures long enough for it to become an issue if they weren't---maybe, just maybe it has something to do with wankus' show directly following theirs and the onus being on them to make sure they picked it up? I'd guess they knew exactly how to pick their checks up, but the drive during hours she's on set for the check amounting to their gas to get there wasn't worth it at the time but makes wonderful ammo now.