[emteycz]

Fully agreed, but... We are not looking for "digital money" here, that is being done by China, the EU and others, and as you're saying, a centralized database does the trick way better than Bitcoin or any POUW scheme.

We're looking for "fully decentralized, immutable and trustless digital money" - and it would be nice if we could combine that with useful computation instead of burning electricity.

Also consider that there are many computing tasks that could be enormously useful to the human society, but not profitable, with very distant rewards (usually investors prefer short-term profits over long-term societal gains), or very risky.