Earlier quoted context omitted.
Why have them privately controlled at all? The fed prints the money. The fed could be the bank and insurer as well, and obviate the middle men skimming the pot.
Because private insurers have incentive to accurately price risks. If they price them too low, they will go bankrupt. If they price them too high, the competition will steal their customers with lower rates for the same coverage. The governments, on the other hand, don’t go bankrupt, so when they price the risks too low, the public will be forced to bail it out anyway, either through taxes or through inflation. This…
It's no different from the GFC, where the risk (of those mortgages) are mis-priced, and in the end, someone is left holding the bag.
A functioning market to redistribute risk needs transparent pricing, and proper bankruptcy (so in other words, the risk taker must not be bailed out, even if it hurts in the short term).