My roommate works at a call center. There is a rule there that you can't go to the bathroom within 15 minutes of clocking in. He complains of the arbitrary control of people's bladders yet in the same breath will complain of people who go straight in at 9:15. To me that's where work culture gets despicable: make people look down at people who don't approve of rules they themselves don't like, and you've outsourced shame from managers to the employees themselves.