> as though tons of tech sites (including big names like Amazon) don't just devolve this work to their on-call rotations
Not everyone has the same knowledge and skills. Not everything is documented. Not everything in the documentation is current and correct. (especially after recent changes) It's not even that they won't stay up, but depending on who left the company, the oncall response may look radically different and have different time to resolution.
Not everyone has the same knowledge and skills. Not everything is documented. Not everything in the documentation is current and correct. (especially after recent changes) It's not even that they won't stay up, but depending on who left the company, the oncall response may look radically different and have different time to resolution.