I picked up my Tesla Model Y at the dealership today, whole thing took me 5 minutes, popped it in full self driving to see how it would do on busy Miami streets in the rain.
I am not making this up, 10 minutes into my drive a lunatic (this is Miami after all) tried to merge into my lane without looking; the Tesla nimbly swerved and made room. Don't know if I would have been able to react. 70% sure it would have been a collision had I been driving.
Pretty remarkable stuff.