Most on-call schedules are designed in a slack thread, in 20 minutes, by whoever drew the short straw. Then the team lives with it for years. The math is almost never done, and the result is the same in every company: a few engineers burn out and quit, and management is surprised.
Source: [Dev.to](https://dev.to/samson_tanimawo/the-on-call-schedule-math-nobody-does-1o82)