> I’m confused how this has (or will pass) regulatory approval for road use.

It won't.

And this is also true of being able to go over 90 MPH, despite many sports/premium cars touting an ability to reach a top speed above 150 MPH. Some cars come with "Donut" or drift modes. Donuts and drifting are definitely not road legal actions. These, and many other capabilities of sports cars, are obviously for track use only. These Roadster gimmicks are no different.