A key difference is most of the new techs like Internet, email, Paypal, and so on improved on what people already had in a way that delivered obvious value. They also came with problems. Whereas, nobody I know in real life wants the drawbacks of these cryptocurrencies that come with giving up the benefits of their current, centralized offerings. The only folks I know out here doing crypto are speculators (esp day traders). That's the difference.
Now, if they wanted to solve those problems, they'd start with whatever tech/law/orgs already worked, identify their problems, and then mitigate them using proven methods. So, we're looking at credit unions, non-profits, or public-benefit companies chartered to make sure they do specific good things and don't do specific bad things. The most important stuff at least. These can be in the licenses and contracts, too, for re-enforcement. Then, centralized systems with decentralized checking of what's exchanged a la SWIFT all using existing high-performance tech we know how to secure. Open protocols and agreements for how disputes will be resolved in situations using decentralized mode with experts from both centralized and decentralized models weighing in on that. I've been talking about that in Gerard's threads on Lobsters:
https://lobste.rs/s/wxqkyj/bitcoin_s_stupendous_power_waste_...
https://lobste.rs/s/opge2r/electricity_consumed_by_bitcoin#c...
I can't find the other ones sense the search feature is limited.
"they're so desperate for a solution that they put up with a solution that basically doesn't work. "
That's true when there's a need. This is part of a hype cycle pushing stuff people don't need to replace stuff that would meet their needs fine. Accelerated by massive amounts of money being thrown all over this area. Totally different kind of thing. The stuff that bubbles, bankruptcies, and broken dreams are made of.