So road trips are unaccounted for? Not a comforting idea that taking your car to another area will render it functionally unsafe on the (differently designed) roadways.
Essentially the same as "smartphones are about 95% useless without mobile broadband". Except for the tiny detail that lack of mobile coverage is unlikely to kill you...
We clearly have different lifestyles. Renting a car 3 times a week to venture into the mountains is beyond unaffordable, much less once a month. Do you stay that static in your life?