Nothing. In fact, aren't most recipes derived from another recipe, sometimes very, very closely. For example, you should compare the recipe in the video (Yooper's Oatmeal Stout) to Jamil's Oatmeal Stout.
Recipes are open source the minute they are made public.
And I agree, cut out the legal BS (not you, Yeastmode

). Her avatar is not her "likeness", it's a piece of clipart off the internet, just like mine. I have no idea if I'm using mine legally, so I certainly wouldn't claim any ownership of it.
She rightfully, though, should be unhappy with the guy who used her online personage after being asked not to. Gawd, how did this turn into another rant thread