Perhaps a new problem -- that of stealing the more valuable batteries, might emerge?
https://www.tesla.com/videos/battery-swap-event
Since the batteries cost an order of magnitude more than a catalytic converter, this could justify criminals developing more sophisticated equipment to pull it off.
https://electrek.co/2021/01/19/tesla-structural-battery-pack...
Somehow the big vendors get prices that consumers can only dream of.