The risk is very real if that guy is driving around on public streets with this system. There are lots of regulations regarding road safety, but at no point in

The risk is very real if that guy is driving around on public streets with this system. There are lots of regulations regarding road safety, but at no point in the article did that guy mention anything about them, what steps he took to ensure compliance, whether the solution was indepently audited afterwards... Laws are only as good as they're enforced, that's why it's important to call out questionable tinkering when you see it happening in the wild.