> Air travel had immediate, obvious advantages.
And yet, the amount of FUD and ridicule people got for trying to fly was enormous. In hindsight, the advantages of a successful technology are always obvious.
> In contrast, the first decade of crypto currency hype has basically been “you should use your money to make me rich and in return you’ll get to do what you could already do except it’ll cost more and won’t have fraud protection”.
That is not how it was introduced to the world, crypto currency was introduced as a trustless decentralized cash currency no tyrant could ever manipulate to the detriment of the people, the ability to send cash near instantly to anyone across the world without a central authority. If bitcoin becomes successful (not saying it will) at fighting currency manipulation and banking the poor, people like you will say "Crypto currency had immediate, obvious advantages. There were many technical challenges but sending money fast across the world with no intermediary and making currency manipulation by tyrants impossible was an obvious win.".