Where does it say you'll get paged in the middle of the night?
The questions are actually to prevent that. They are making sure somebody can possibly diagnose and fix a problem that involves[1] this service without having to call you up.
[1] Note "involves" doesn't mean your service is the cause, it might be the previous or next one in the chain.
> I've had DevOps engineers say they want us to feel the pain to make a point.
And thus you'll have an incentive to improve the quality and lower the pain. Of course that's easier said than done, and there may be other factors at play (e.g. priorities set by someone else), but at least if the misery is shared those who can do the most to fix it are fully aware of it.
The questions are actually to prevent that. They are making sure somebody can possibly diagnose and fix a problem that involves[1] this service without having to call you up.
[1] Note "involves" doesn't mean your service is the cause, it might be the previous or next one in the chain.