Well, it completely depends on your job and work style. Personally I'm a site reliability engineer, so when something breaks it's an invaluable step to look at

Well, it completely depends on your job and work style. Personally I'm a site reliability engineer, so when something breaks it's an invaluable step to look at the commit history to see what changed, when, how, why, and by whom. I'm searching through commit histories several times per hour.