Watching the road simply isn't enough. You need to be alert and ready, which is countered by the system that lulls you into a false sense of security and makes you doze off.
Thats like saying shoes give you a false sense of security, perhaps, but its still your responsibility that you werent watching for a nail sticking up, its not nikes fault for making a good feeling shoe. User error.
"Tesla did their part" is such a lazy cop out.