The difference is, he can choose whether to go maskless to a restaurant or grocery store. He cannot choose to wear a mask while on stage. Setting aside the health and safety issues, it is an employment issue. While it is of course true that becoming infected from Row F is less likely than in a restaurant, that is not the standard and I suspect the League will be in litigation over this before the sun sets today. It's a workplace safety issue. It's stupid on the League's part to do this unilaterally, but what else is new.