There is policy by the rich and for the rich to keep their servants in their place. Be it Republicans or Tories they want much of that government money for themselves. To do that you simply deactivate government agencies and hand those duties over to privatly owned busineses. You slowly dissolve schools and leave private schools for the priviledged. Close libraries. etc.

The biggest prize for privatization beasts is to sink their teeth into the Post Office. After Hurricane Katrina early attempts were made for Walmart to take care of the victims. It didn't work.
Today Wallmart/Walgreens is to dispense the vaccines and do all the testing. That is failing or never got off the ground.

The beauty of privitization -beyond failure- is that it is not accountable to anyone but themselves. 'They' define the argument of privatization as Socialism verses Capitalism. In socialism you will be taxed to death and you don't want that.
All I know is that it works and grievences are addressed.