Because the people who want snow never get snow, so its a novelty. The people who have snow always get snow so there over the novelty and would like to actually leave the house without shovelling a tonne of the stuff.
Congrats. I failed my bio quiz. FAILED it. 4/20. But that may be because I got bored and didn't know any of the answers, so I wrote things like "blue" and "pineapple" and "insanity" in the blanks.......