And you can do that without even being near the vehicle, because the panels fall off.

Its made from hard steel, which is much harder to scratch and damage than ordinary car paint (or indeed ordinary car bodies, which are made of softer steel).

The paint is sacrificial and add essential barrier between the environment and the panel material. The panels are not sacrificial.

Thinking that paint is for... looking cool? People here need to try to get a grip on reality.

Yes, paint is for protection, because ordinary cars aren't made from stainless steel. They would rust without paint. They still scratch more easily, with or without paint, than a car with harder stainless steel.

So you think stainless steel is hard and doesn't rust?

Exactly!