I am not a CS expert, but this does not look like a full implementation of rule 110, nor is it even pure CSS (there is HTML involved).
What I see in the SO answer is an interface for Rule 110 with an additional set of instruction (written in a natural language) for the user to execute manually. So you can use CSS + HTML to create an interface for a Rule 110, which is then written in a natural language around that interface. The answer even states that (very relevant) caveat.
> [...] so long as you consider an appropriate accompanying HTML file and user interactions to be part of the “execution” of CSS.
> The formal definition (simplest) of Turing Machine is simply a tuple of states set, symbol set, initial state, accepting states set and a transition function. There is no crank in it. By computation we mean somebody needs to apply the transition function faithfully on the tape which is exactly like the clicking in this case. More formally, a model of computation can be viewed as a set of rules somebody needs to follow to do the computation. In that sense, I think CSS is Turing-Complete.
Or they are performant now. But once people start writing CSS code the same way the write JS code, they stop to be. You can still write super-tight code in ASM (or eve C) and it will be blazing fast. Almost nobody does it, because it's too hard. Once people start writing CSS the same way, it'll become slow and bloated too.
Where are already decentralized networks: IPFS (e.g. https://fleek.xyz or https://pinme.eth.limo), BlueSky, Web3 protocols with HTTP gateways. Why don't users switch to them?
This exactly. Transferring ownership is a business transaction. Track that. If the new owner is trying to hide it, this is fraud, and should be dealt with in court.