[mottomotto]

But the problem is if you assign a rotating duty to your engineering staff, you as an engineer have no direct impact on how often you will be called due to the half-assed work of other developers. It's a rocky road. Do this too much and your staff will leave. I certainly will. Life is too short.

In short, we're all describing poor management issues. Signing up all the developers for Pagerduty is band aid. So is pushing it all onto operations. In both cases, management is making a choice to avoid dealing with something that requires ongoing effort and time.