The freedom to do the worst is also the freedom to do the best. That is an unavoidable universal law.

Look at instances where the conversation is forced to respect conventional values.

It's death. Conformity and moronic mob-politics becomes the norm. So norm that you forget that there was anything better. (Reddit and Facebook are 2 notorious cases of this.)

4chan is sharp and smart. And infantile and vile. And sometimes it's hard to tell the difference. Which is only proper.