If facial identification tech becomes commoditized, someone is going to figure out that combination of realtime identification and block lists enable the boycot

If facial identification tech becomes commoditized, someone is going to figure out that combination of realtime identification and block lists enable the boycotting of individuals based on political affiliation, their employer (think fossil fuel industry), or any other non-protected class. Guerilla surveillance could serve as a check against individuals deciding to work for a business if it hurts their ability to go about their daily lives. But let's face it, something like this would go down like modern day Muscadins.