I agree with you.
I think that in general new simple technologies have more use cases than ad hoc sophisticated technologies. For example none of the coolest stuff invented by the space industry did change the world as much as the simple and stupid container. I'm not talking about Docker here. About the real container, one of the most underrated recent invention.
There are multiple requirements that must be met for the blockchain to makes sense - else it's just an over engineered git. Of course I don't know what will happen in the future better or worse than anyone else, so I might be wrong.
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