Brad DeLong is a shrill for the financial industry.
The floor under Bitcoin is formed from central banks and countries devaluing their currencies. The more worthless fiat becomes, the more bitcoin will rise.
It's all in balance.
That's the Ying.
Bitcoin is the Yang, together with gold, form the other side of the rising balance beam.
It's really very simple. Brad DeLong simply doesn't get it, because his bread is buttered by the elitists who control Berkeley, Harvard, and the financial system.
He's a tool.