I really don't understand the need to put a self driving car around pedestrians or other human drivers. As with any machine learning/control system, wild instab

I really don't understand the need to put a self driving car around pedestrians or other human drivers. As with any machine learning/control system, wild instabilities can and will crop up. Why don't we simplify the problem domain and keep well suited, designated infrastructure just for self driving vehicles, and solve the last mile problem with a slow 15mph creep to the ultimate destination. I mean, it's impressive that cars can drive themselves through a busy intersection alongside other human drivers, but it is by no means necessary, especially when adding humans into the mix adds a degree of uncertainty that is very difficult to account for...