My son works at a grocery store and told me about this customer ...
.. who refuses to wear a mask and social distance in the store but wears an Infowars t-shirt. He told me he went through his line yesterday. He apparently tries to convince people to listen to Alex Jones, too. I actually think I've seen the guy around town. But good grief, he better not try to lay Alex Jones on me.
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You should see what it looks like around here at the beginning of the month. All the preppers come to town to replenish their stores when the gov't. check comes. It's been a really mild winter so far but these cats are lookin' pretty rough, can't read the print on the shirts under their dirty heavy coats. Their rigs look like the Clampetts built a camper on their truck. They all believe the bs and advertise it on their mobile "homes" complete with wood stove pipes emerging from somewhere on the upper half.
... but he mentioned this idiot specifically. I think he knows if he engaged me about Alex Jones I'd have something to say. 
That I have used for decades that seems to ward off the really weird ones. 
Just have to do the social distancing thing, that's all.