Awesome. McDonald's does test markets. So does Pepsi, M & M Mars and every other consumer product. Technology companies do betas. Maybe the can have a beta test market where we still have to obey all traffic rules except we can hit anyone in the spandex mafia we want. There should be one rule still: If one of them is hurt after being hit the driver either has to call 911 or pop it in reverse and finish the job. Driver's call. You can't just drive away.
If this works out well, and I don't see how this can fail, we get rid of another rule and another until the roads are deregulated.