Up here in the north it's a matter of time and season and heat and light. It cost a lot more to heat buildings like schools and offices in the dark than a does the day like that is why we change the time here

Also it's a lot safer to be transporting children during the daylight hours than it is in the dark in the dead of einter is 10 below and colder. I know you're trying to the philosophical about this but common sense and practicality also has something to do with it