> I think it'll be hard to come up with a legally defensible reason to demand that they shut down all research efforts without looking like it's a vendetta.

They don't have to shut down their research. I don't care if they want to write software and play on private tracks.

As I see it, Uber should be explaining exactly why their privilege to endanger the public by operating unsafe robots on public roads should not be revoked for criminal incompetence.