Pub o'clock
Maybe the plan is to let the devs twiddle their fingers: the cost of them playing doom for a few hours being cheaper than the cost of employing people to manage an in-house system 24/7 (with the attendant risk that an outage might still leave devs playing doom).
I'd want it all in house myself. But I know a old-time controlfreakosaurus.
Biting the hand that feeds IT
