Central bank digital currencies need to be centralized and manipulable to some extent in order to use them to implement monetary policy, which is central bankers' goal. This characteristic makes them a very risky proposition.
The 1920 article by Mises is as unknown today by graduate students in economics as it was in 1990, 1950, or 1930. But at least one man in the socialist camp admitted to the New York literati that Mises was right.
When governments subsidize projects, citizens pay twice—once as taxpayers who indirectly pay the subsidy, and then again as consumers in higher prices for the goods they buy and in reduced consumption.