>>3296
They are characters whose style does not resemble something a five year old would put on the fridge, unlike the aforementioned shows.
It is extremely easy to find in more mainstream websites, while GC has always been about collecting relatively rare "taboo" content. It's an eyesore in addition to wasting space when anyone could just type "Marge Simpson naked bondage detached the hedgehog" in DeviantArt search if they cared to.