I can recall standing outside that party hall south of the convention
center in Dallas one February during what we in Nebraska would call
a light dusting and watching one car after another slide right thru
the intersection and broadside someone. You're right .. they don't
do ice and snow well.
When I drove through Colorado Springs in the snow long ago, I drove by more cars in the ditch than I've ever seen. We'd just go by at a steady pace in my rear-wheel drive Datsun. The guess was that there were a lot of transplants from outside parts like Silicon Valley chasing the new tech jobs there.
I also noted that unlike home if you were coming out of a gas station driveway you could wait all day before someone deigned to let you enter the flow of traffic.