Houston; Tesla self drivng cars; drunks

Do commercial airliners once they are in the air at altitude fly themselves? Whats the pilots doing during this time?......I think answers to both questions is simply.
Self driving cars today are not perfected to the point of being totally reliable and safe. Those police officers could have been killed and we still don't know how extensive their injuries are...
Any reasonable responsible person with a once of common sense would never become so disconnected as to not pay any attention to the road in one of these so called self driving cars, but today we have idiots and drunks now behind the wheels of these things and yes self driving one of these contraptions or my 69 Ply, your behind the wheel your responsible