Earlier quoted context omitted.
So push the burden onto somebody else? Why aren't they allowed to "be busying living [their] life"?
They should be free to live their life. If it turns out that the company doesn't actually have enough money to hire enough people to perform all of the duties that it needs to continue to exist, then that company should cease to exist. Which is desirable over the alternative of having rich company owners externalize their failure to run their company adequately by stealing the lives of employees who don't have the ab…
How does an on-call rotation prevent this?