Wind, yes. But even without it - thing get tricky, when you’re traveling at 80mph. You need to detect enough of movements to be able to predict future path. It

Wind, yes. But even without it - thing get tricky, when you’re traveling at 80mph. You need to detect enough of movements to be able to predict future path. It not easy, even with very advanced sensors. And you cannot “play it safe and assume it’ll collide with us”. You get phantom breaking, which is very dangerous.