All I know is that 4WD works a lot better on our unpaved .10 mile uphill driveway than my little FWD. The FWD does just as well on the level, though.
That said, I used to have a job where I could stay home when the weather is bad. A job change was forced on me, so now I work at a call center where I am "essential" personnel. We are told, "Don't risk your life, but do try to get here." In other words, doesn't matter what the conditions are, get your carcass to work.
The company does provide cots if you want to stay overnight (I don't do slumber parties, thank you) or we can get somewhat discounted hotel rooms about 2 miles away. And if conditions are bad enough and you do show up, you do get hazard pay, so that does help a little. Still, it probably won't replace the car or pay the hospibal bills if you do crack up.
If we were delivering babies or doing other things that were life or death, I wouldn't mind the snow policy so much. But we're a freaking CALL CENTER, for heaven's sake.