Why does it matter how difficult it was to create the art? the whole point of art is self expression through any means and mediums that the artist deems the most effective way to get his point across, and even then it's up to self interpretation (not criticism, different thing).
Hell, there's a guy who finds trash in New York, composes it into a see through cube and sells it for a price like $200. That 2 year old you mentioned could create a scribble, call it daddy, and it could go up at WAG's (