And if it's completely uncensored (e.g., the Bitcoin blockchain), that's child porn.

The ability to do logical deletes that will be honored by the main consumer client isn't really sufficient to deal with the problem.

A user can run a custom curator. Alternatively sites could be developed that give access to the network and do their own filtering.

There are other choices besides authoritarian censorship, despite the popularity these days.

> Alternatively sites could be developed that give access to the network and do their own filtering.

...and add their own content, which is only viewable from that site and not elsewhere on the network. And the most popular one of those will eventually just displace the decentralized network.

There would be competitive features and low barrier of entry since the data isn't warehoused by one entity.

Sure a platform could add their own features off-chain. But the user would not be rewarded by the protocol for such divergences.