I've found that this is a much less stressful and more productive way to approach most things in life.
> Some of the 60 hr/week employees are gunning for promotions and probably don't care about work life balance. Why should everyone have to compete with that?
That seems totally reasonable. It's similar to the way tech companies have a concept of a "terminal level" where it's considered fine to spend your whole career with no pressure or expectations to earn further promotions.