armchair dot tech

Patron signs in. 21 is the next open computer, already written in next to his name. So I say: Me: You can get on 21. Him: (confused look) what? M: You can get on 21. H: Er no, it was already there… M: You can get on 21. H: I just signed up. M: You can get on 21. H: Oh. Ok. Thanks. M: No problem. Tell me again why I shouldn’t mock these people?