The article at the link is criticizing neoclassical, mathematical demonstrations of the efficiency of the market economy. Austrian make the same criticisms. And then go on to show that the defense of the efficiency of the market economy does not depend at all on neoclassical models.
The only equal ground for negotiating contracts required by the market economy is the integrity of everyone’s private property rights. On the reason for animosity toward the market, take a look at Mises’s book, The Anti-Capitalist Mentality.
And Hayek’s article, “The Non-Sequitur of the Dependence Effect.”
It turns out that Sweden is not an exception to the laws of economics.