I hear you, and that's a perfectly valid reason to leave. Even if your company left for righteousness reasons rather than reliability, supporting businesses based on your morals is a commendable thing.

I just think GitHub is a long way from Tammany Hall.

A devops friend of mine raises an intriguing point - he does not aim for many-nines reliability with dev infrastructure.

He aims for people being able to keep doing their work when whatever service they regularly use is down.

(Which also means that he is able to go on vacation.)