The obvious answer is that the content being discussed isn't really a meme. They are copyrighted images. The idea of a "Troll Face" can be a meme, surely, but t

The obvious answer is that the content being discussed isn't really a meme. They are copyrighted images. The idea of a "Troll Face" can be a meme, surely, but the specific image of a trollface that is widely recognized was obviously copyrighted. If you don't like that then create your own image and release it with a more permissive license like Public Domain.