Don't know much about fhe context here, so I won't defend this person if she's actually pretending. That said, I wore masks consistently, and completely understand their value, and would never complain about people wearing them, but...
Holy hell are people harder to understand when wearing them. I know it's a me problem, and I know why it's a problem, so I completely understand why somebody would say that.
It's only a few minutes in - at the 2:15 mark approximately; it's the guy up there with her in the vest. Just look at his facial expression and body language - he's trying to score points for the AntiMa crowd. He's just being a douche.