Have you ever driven more than 200km at an average of 80km/h with enough turns on the highway? Perhaps after work, just to see your family once a month?

Driver fatigue is real, no matter how much coffee you take.

Lane-keep is a game changer if the UX is well done. I'm way more rested when I arrive at destination with my Model 3 compared to when I use the regular ICE with bad lane-assist UX.

EDIT: the fact that people that look at their phones will still look at their phones with lane-keep active, only makes it a little safer for them and everyone else, really.