The ideal is fine but in conjuction with that there are two downsides as well. A consolidated datacenter does hold onto the efficiencies of scale in many facets, multiple small instances require more boxes using more resources to iperate and the inconsistent retrieval and bandwidth attached will have an effect. The other is the political realm, where regulators can be readily bought those with resources can and will make things more difficult if they feel existentially threatened. Loo at the fight that hollywood amd the music industry put up against just the pirate bay alone for an example of what the distributed web is up against. The fact that there’s not so much gray area of activity going on is secondary to the fact that it challenges the established systems.