Snow Removal for Dummies: Snow Mower

Removing snow from a driveway or front walk is a difficult thing to grasp for much of the worlds population.  You wouldn't think it would be that difficult to figure out, but apparently it is.  This gentleman is trying to remove snow from his driveway so he can get his hybrid over to wholefoods for some delectable pastries on what most likely is a Sunday Morning.  The problem is he is using a lawn mower to remove what looks to be 6 inches of heavy snow from his driveway.  Wonder how many times he had to empty the bag on the mower?  Does the mower just melt the snow creating a temporary solution that will later be super slippery and thick ice?  These are the questions I have..