Good decison, Holstein....It's pretty clear those of us used to snow see no real issues with driving a coach in snow. As long as you slow down and make sure you can stop, and there are rust issues if they use salt on the roads.
If you don't drive normally in snow, don't use a $200,000 coach as a test bed.
Earlier in my life I commuted weekly from NB to Newfoundland which involved driving through 60 miles of the worst winter highway stretches in the world. My rule then was that if the police closed the road to trucks, and it was actually snowing ( blizzard) I didn't take the pickup. The last 10 winters I've been Down South and I have no intention of driving in snow unless I'm getting somebody to a hospital.