Like they just refuse to understand the initial premise of masking - that it was to protect others from you first.

Not only do they do it for half-assed reasons in the first place (“you do you, except you keep your sick away from me”), they half-ass it in action by wearing the most ineffectual masks that are not adequate to prevent aerial spread, and then they pull them under their chins to talk or eat and wear them under their noses all the time like you said! That last one is actually mind blowing to me, I will never, ever understand it. At that point I don’t even know what it’s for. Is it virtue signalling? To whom? No one wears masks anymore, and in lots of places they’ll sneer at you for it. So whatever reason they do it, if they do it and they can feel the air go in and out of their face holes when they breathe then certainly, certainly they know this isn’t doing what it’s supposed to be doing even a little bit, right…? Do they think at all?