Because people strive to improve their condition, they exchange goods and, in this sense, they create the necessary conditions for the emergence of prices. Prices are simply an unintended consequence of the human quest to improve one's life.
Often, when the “smash the state” position is invoked—especially among those less familiar with the state as an institution—further investigation often reveals a dangerous lack of precision about what exactly the state is.
Even during their most bloody and repressive years, progressives praised Mao's China, Cuba, and the USSR, because they offered "free" healthcare. Progressives are simply uninterested in any argument in favor of private healthcare.