they are banning them because they have already caused trouble in similar situation. This is very different, she is being banned even though there is no indication that she would be security threat.
Anecdotal but having visited a few countries that have national IDs, they use them with just about anything worth having. Tickets, SIM cards, Service Agreements, you name it.
I live in Uruguay and you need to use your ID very often when doing commercial stuff.
This seems like a very American thing to do all of this. The lawsuit, the facial recognition, the counter lawsuit. So very American.