Why would I want to hack the bootloader for a wall charger? Asking for a friend
Publicly accessible piece of equipment that could have a pseudo-trusted connection to an internal network (since they're connected to the Tesla Cloud(tm)).
Picturing someone rolling up to a charger outside of a large office building, 'plugging in', exploiting the charger via the communications, then using the charger to pivot inwards.
To play doom on it?
Implement your own payment provider
You can bypass vehicle restrictions. You could potentially then use it for J1772-compatible EVs (like a Chevy Bolt or Nissan Leaf)
Or just for the spirit of actually owning the shit you pay for.