It’s all about the adketeers.

The goal here is not to take control of submitted material, but to make it easy enough to submit quick, fun content that it’s not much of an inconvenience to be deprived of control of submitted material. The result is a Creative Commons-like “Attribution” license! Except with sole ownership rights granted to the site.

Thank you, Kris Straub. Thank you for being nothing more than just you. You are awesome.