I would be somewhat more tolerant of "required to wear RFID badge" if it were done for safety purposes -- for instance, to maintain accountability over a group 5-6 year olds, or on a trip, or if someone was "special needs" (emotionally/mentally disabled) and prone to running off.
There are lots of advantages of RFID/NFC over magstripe or 2d barcode, even for simple applications like cafeteria payment -- faster reads, and the readers themselves are far more robust.
Issuing the cards with an RF shield envelope pretty much solves legitimate complaints. It turns it from a passive monitoring technology to something active, and it's maybe ok to require people to badge-in to get access to places with expensive or stealable assets -- badge into the computer lab, library, etc.
There are lots of advantages of RFID/NFC over magstripe or 2d barcode, even for simple applications like cafeteria payment -- faster reads, and the readers themselves are far more robust.
Issuing the cards with an RF shield envelope pretty much solves legitimate complaints. It turns it from a passive monitoring technology to something active, and it's maybe ok to require people to badge-in to get access to places with expensive or stealable assets -- badge into the computer lab, library, etc.