> Making it distributed and trustless doesn't seem to solve any real problems
Tell that to all the people that are either denied bank accounts, denied loans, have had their Paypal accounts frozen or funds held for apparently no reason, etc.
> which is why over a decade since they entered the public consciousness they are used for almost nothing interesting, and nothing that couldn't be done better in a centralised system
The infrastructure and tools are being developed. And please don't say you've been hearing that for 10 years. Literally everything needs to be recreated from the ground up for a new protocol and financial system. This takes a lot of discussion on proposals, development, and testing. Not to mention that all improvements are being done on a live system so everything needs to be backwards compatible.