Wouldn't it be more preferable to build a neutral layer on the top of a non-neutral network, only aimed at information exchange? I mean what's more preferable/

Wouldn't it be more preferable to build a neutral layer on the top of a non-neutral network, only aimed at information exchange? I mean what's more preferable/useful, a network where moderation is made illegal on all sites or a network where various sites moderation is based on a site's values and nature, and 4chan being one such (relatively) moderation free site?