I showed you just one example of the consequences of a mixed economy
Next time you wonder exactly why you're paying extra to pump ethanol into your gas tank, it might be helpful for you to remember that it has as much to do with filling certain corporate pockets as it does with pollution.
There are many other examples like this.
Regulation by government monoply is a two-edged sword, and private competition should have a larger role in the process. That's the only point I'm making.