> Short of "not driving", human drivers don't have the option of "well, this is less than optimal, I can't do well, so I won't try". They sure do, and will sto

> Short of "not driving", human drivers don't have the option of "well, this is less than optimal, I can't do well, so I won't try". They sure do, and will stop when things are too complex for them (e.g. bad weather).