"Why has there never been a Libertarian or Capitalist country?"
Because once a segment of society becomes successful and begins to accumulate wealth, the other members vote their way into the wealth creator's pockets. Although I guess you could make the claim that ancient societies, those that pre-dated government were Libertarian. But here's the thing, even in a society with very strictly limited government, a group of socialists could band up and live communally, sharing all their wealth and resources. No one would stop them. On the other hand, someone preferring a limited government would be SOL in a country governed by socialism.
Most socialists don't seem to be interested in going out and building something together. They would prefer to take that which others have already built.
"Maybe instead of reading what Cato spouts, taking Econ 101 and reading Upton Sinclair would do you good."
I'll hazard a guess I've taken twice the number of economics courses you have...if you're looking to compare academic pedigrees.
And Upton Sinclair? Really? Maybe I can follow it up with some Howard Zinn.
"Or did you forget how taxpayer money was used to bail out the banks and Wall Street?"
That effort was more aligned with socialism than the free market. All other things being equal, those banks would have failed. It is socialism, or rather it's close cousin corporatism, that kept them awash in taxpayer dollars.