MMT basically holds that governments have control of unlimited amounts of real wealth — thanks to money-printing power. But if this were really true, countries like the USSR and North Korea could simply create money until they became wealthy nations.
The Bank of Canada's official mandate to promote the “the economic and financial well-being of Canadians,” isn't compatible with the Bank's real mandate which is apparently to look out for the good of a small number of powerful banks.
The Fed is prepared to squeeze out what little is left of the free market forces in the debt market. The Fed wants full control so it can do "whatever it takes" to keep interest rates from rising above its very-low targets.