People can’t cope with the silliest things. This is their biggest problem??
Giving up family time as a medical professional or first responder is part of the game, and fairly compensated for. It's also necessary for the greater good. For retail workers, it's a chance to trade family time for a rollicking shift of insults, abuse and anger.
Part of being conservative means honoring, enjoying and caring for family. There is no need for retailers to open before 6:00 AM on Friday.