Because they are thick as pigshit.
When I looked into crpto in (checks notes) 2011, one of the "features" that was noted was that a crpto based economy would allow differential values of the same currency.
The way it was explained to me at a conference was
"You get paid in employment pounds. But you can't spend those. You can only buy spending pounds. From the government. With the exchange rate being 'tax'. Which now becomes pretty much unavoidable in any way."
A future Farage and (Only)fans are probably hastening in.
Keen non-dim people may be hearing "truck acts" in the background.