After a gunman opened fire at a Twin Falls, Idaho, In-N-Out with an attached Tesla Supercharger last week, EV owners flooded social media with the same suggestion: buy an EVject.

The breakaway charging connector lets you drive off while still plugged in. It sounds like an obvious fix for a horrifying scenario — but it’s a controversial device that doesn’t actually solve the problem, and it points to something Tesla and every other automaker should be building instead.