Are you seriously trying to compare Police occupation, something required by the citizens for THEIR OWN SAFETY and law regulation, for an entertainment company that is for making profit? If you can't see something wrong with that comparison, I don't even want to explain it.

As for the times. The maintenance is from 2-7pm Tokyo time. That is the perfect working time for the devs. Does it inconvenience some of the playerbase? Yes it does. However, they have every right to do the maintenance during the hours THEY ARE MEANT TO DO IT.