Some "charging stations" offer other features besides GFCI including things like:
It isn't always just safety features.
- Clocks and timers that restrict charging to certain times of day. (I gather this is built into the Roadster though?)
- Meters that tell you how much current has been used.
- Simulated voices that tell you how long you have charged, how many kWh have been used, etc.
It isn't always just safety features.