1: The process by which products are stripped of depth and complexity in order to simplify them for the masses.
2: The removal of complexity for the purpose of mass appeal.
3: The homogenization of entertainment and media.
"Plots, Scripts, and Stories are all too complicated for the general masses. By dumbing down movies we can broaden their mass appeal."
"Thanks to the Dumbing Down of Spore many found the game to be uninteresting and unenjoyable once the initial gimmick wore off."
"The Discovery Network achieved higher ratings by Dumbing Down it's programming."
The act of taking a product and watering down elements of it to make it appeal to a broader mass market. This often damages or destroys the very elements that gave the product any appeal in the first place.
Today, many video games are dumbed-down in an attempt to reach mass market audiences for higher profits, instead of loyal hardcore niche audiences.