I also believe this is not an issue right now, but I'll throw this out to ponder:

Since supercharging is paid and tied to the VIN, that implies that there is some kind of data transfer occurring between the vehicle and the charging station, right? It's not just a dumb terminal connection.

Given that this is the case, could a theoretical exploit use that data connection to gain access to the vehicle and e.g. unlock the doors? Since any common criminal can open the charging port with this exploit, they could also plug in a fake charger to weaponize the exploit and drive away with a free car.

Yeah, I know, sounds pretty ridiculous. But these are expensive cars and it might be reality soon enough similar to how common thieves can buy replay attack devices on the black market now.