worry not
Don't worry about Facial recognition. Most casinos who used it subscribed to the Griffin Online Data Base (GOLD). Griffin, the Las Vegas based detective agency - formed to find advantage players / gamblers - went under in 2005 when it was successfully sued by several blackjack players barred from casinos for their expertise. Thus, no facial recognition remains - other than the casino's own databases, probably built prior to that time. Maybe that is a short term thing, but as of now, you're ok I think....
I;m barred from all UK land-based casinos, but that's because of card counting and taking too much cash, rather than facial recognition... (they know who you are from day one, because you have to have a membership to play - a compulsory UK gaming act requirement).