What is the most likely significance of the tagline “the greatest snow on earth”?

it is a play on the words “the greatest show on earth,” suggesting that the snowfall is so spectacular it is like a performance.
it is a reference to a scientific fact that utah has far superior snow to any other state.
it is a simple statement meant only to convey that utah thinks it has better snow than anyone else.
it is in the ad so that viewers will understand and appreciate snowflakes.