https://rockythechao.tumblr.com/post/145801364150/loosescrewslefty-grimfaust-ponyking
It shows that DA can legally steal your art and sell, edit, or use your art without your permission, and that you can't do anything about it. The moment you join the site, you give them permission to do anything they like, because they snuck those clauses into the Terms and Agreements.
If I had anything to lose, I'll leave right now, but I don't, so I'm going to look for other sites and consider leaving (what are your thoughts on tumblr?). If any of you or people or know make professional art and/or are selling it, let them know, because this could be bad