But then she goes into the "example week" including a weekend page. It seems like there's not much going on, not many pages, not much out of regular hours. And then this prime example of why you do not want to have engineers on-call:
At 5 a.m., I got paged. I jumped out of bed and ran over to my computer.
The page self-resolved at 5:01 a.m.
She puts a smiley but this can really drive one mad. Second time this happens (and let's face it, it happens, even if you tweak and adjust those settings over and over) I'm out of there.I get it, all the talk about "you will build better services because otherwise you will be paged". In the end I think it's just about saving money for dedicated 24/7 network operations if that is what your business requires. If it doesn't have customers 24/7, then don't set up any pagers and support staff, if it does, pay for it!
I've been on call in a SaaS environment before. In my entire time (counted in years) doing that I have had about the same amount of pages in total (!) as are contained in her example week. I carried my laptop and the phone to tether dutifully but I have never been paged by the 24/7 support staff for something like the 5:01 self-resolving alert.