4chan is truly dead and the users there now are not participants of the culture, anonynoninimity and freedom of expression, but are normalfags looking for a place to shout explitives they would normally get in trouble with their parents, for saying on Facebook, and the people that run 4chan today are not in it for the community but are simply Product Managers working to sanitize their product to be devoid of anything organic, while enforcing their own personal political views onto the users. At least on the vast majority of the boards, anyway. However, some bastions where quality can be grown still exist in some other parts of the web. Here are some of what I believe are good.
General Textboards. General Imageboards. Technology. Books and literature. Language. Community Resources.