Yes but those voluntary hours are necessary signaling to justify one's place in the contemporary social order. Without them, someone's peers might think them un

Yes but those voluntary hours are necessary signaling to justify one's place in the contemporary social order. Without them, someone's peers might think them undeserving of their salary and/or status. So they wouldn't want to be the one VP at the company who has adequate leisure time, fulfills family obligations, and regularly gets a full night's rest. Or if they are somehow that person, they keep quiet about it! I began typing this intending it to be sarcastic, but at its conclusion, I am no longer certain about that.