The "self-interest angle" in my experience has been that the people who are getting paged also hold the keys for launching new things. If they think the thing i

The "self-interest angle" in my experience has been that the people who are getting paged also hold the keys for launching new things. If they think the thing is too hacky and unpolished to be allowed to page them in the middle of the night, then they won't launch it. Often these are SREs, but not always. Experienced, healthy non-SRE teams usually have similar standards.