On my NEXT hospitality job (I should have sworn off the darned thing the first time, but I needed the cash too much), the management there deliberately overbooked because there was another hotel affiliated with them across the road that was usually so quiet businesswise that they could take the guest overage. Still, I hated the idea. It smacked of "bait-and-switch". And the guests who showed up late with valid reservations we couldn't directly honor didn't like it either and I had to hear about it from a lot of them.