Facial recognition cameras have been used in stadia for a few years. I don't know if the Amex have them for certain, as my post was more for comedy value.
https://metro.co.uk/2018/08/07/football-fans-demand-end-to-facial-recognition-cameras-being-used-at-matches-7808677/
Can you imagine...
It makes me chuckle when I read that, and having to bring photo ID. We have facial recognition cameras which are redundant or is everyone going to have to remove their mask as we go in?