I was just browsing through the Colors! gallery on my 3DS and almost everything that got any stars were very obvious tracings. And these people always seem to say “OMG this took me forever to draw. plz like and look at my gallery.”. Collecting Smiles should make an update that has a “Report for tracing” button.
Examples:
http://colorslive.com/details/73453-Spongebob_by_.php traced
http://colorslive.com/details/389704-Beautiful_landscape_by_Klausboss.php not traced
Just look at all the likes the traced one has compared to the beautiful landscape painting.
That is the end of my rage induced rant.