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Well, here's a guy, sitting in the stands far, far from everyone except a woman he swaps spit with and, I presume, a man he doesn't, and he's not wearing a mask because it's obviously pointless. I.e. he's agreeing with you in this specific situation. So why complain about that?
By not wearing a mask in this situation he's showing he has common sense, which is a far better walk than a robot walk.
Yeah, showing common sense right in the middle of that tiny field. He CLEARLY could not physically distance there.