You can't have it both ways. If some site can choose not to host some content, then so can some server provider, some DNS provider, some colocation operator, so

You can't have it both ways. If some site can choose not to host some content, then so can some server provider, some DNS provider, some colocation operator, some payment processor, and so on. It's the same deal. And the above platforms DO exist, people CAN use them, and by God there's no shortage of porn on the internet. (ccbill for NSFW billing, btw)