Here's a likely reason the Fed has chosen to hide its data on government deposits: the explosion of Treasury deposits at the fed “fuels … suggestions that the Fed is directly financing the government [and] foster[s] uncertainty about central bank independence.”
Rothbard recognized that money and exchange could not develop without first establishing private property. So Rothbard also recognized that it was important to develope theories of how private property might come about.
As the money supply has skyrocketed, money has flooded into stocks, bonds, single-family housing, and crypto. But this doesn't translate into general prosperity for the countless unemployed and underemployed who face rising prices.
As soon as cash has been pushed back or stripped away entirely, monetary policymakers can implement an uninhibited negative interest rate policy to devalue debt. Customers can no longer get out of the “bank balance sheet”; the final escape door is then locked.