And when was the last time you tried to go to fill up your tank and you couldn’t because there was no fuel? The 70's? That was one of the worst existential crises our real economy has faced since the Great Depression. This is a far more frequent occurrence on the electricity grid: nodes can’t function individually, unlike how cars and boilers can.
Second, there are use cases for "crypto". Most notably: money. Money that's not issued by a central government is a perfectly reasonable use case. Crypto is successful at being money. You may think decentralized money is bad or not useful to you in particular, but if you can't accept money as a use case, then that's a hint that this claim may be... See more