None of those resources operate peer to peer, none of them operate in anything resembling a mesh network. DDG is absolutely stoppable and centralized.
Not that I don't love all those projects and all of those qualities.
DuckDuckGo is even more centralized since it uses the index of one of the largest search engines (bing), is not at all self-financing, is not at all unstoppable (if the central authority was shut down any replacement would need to access bing's result) and is not at all peer-to-peer.
Either you don't actually know what those terms mean or you don't know how those websites function.
> Wikipedia, OpenStreetMaps, [WebSearch] would all be great examples of [potentially operating as] self-financing unstoppable web resources with no central authority distributed across a peer-peer mesh network.
> Unclear if the value prop is large enough to overcome the activation energy of such an endeavor [to convert these currently centralized services into an entity like what the grandparent describes].
Unclear if the value prop is large enough to overcome the activation energy of such an endeavor.