Looks like he‘d agree with Jack Ma about „sacrifices“ in early years... Let’s see how much flak he‘ll get for that.
That's the only correct position to take. Quite simply to each their own. Who is anyone else to tell me how to spend my hours? Gates is careful to make a distinction between projecting how others should be, and stating how he chose to be.
Have you ever met people with children?
Generally, strict hours enable simple, well-defined coordination with others. You often _need_ that kind of agreement when others are taking care of your children in your behalf, e. g. schoolteachers, partners, grandparents.