This is gross and reminds me of stories about police officers posting up in unmarked cars outside queer venues to track patrons' comings and goings to accuse of minor infractions or straight up blackmail them.
Today is a different era and time (mostly) but why do you need to track my bar visits?
“Mix is one of at least three bars in the Castro, including Badlands and Toad Hall on 18th Street, that wheel out the Patronscan kiosk each night to collect the personal data of every customer that comes through the door, including names, addresses, genders, and even how they behave inside the bar.”
A handful of neighborhood bars have installed facial recognition devices that collect and share customers’ names, addresses, genders, and indiscretions with each other