The truth of the matter is true capitalism or true socalism has never really been practiced. both systems have adopted ideas from each other. During the great depression, most countries adopted socialist reforms. ( a side note, the great depression, was the colapse of capitalism that Marx predicted, but he goofed thinking that would lead to a world revolution, instead most countries enacted reforms, that created at least a minimum of "safety net".)
all that said, I think in many ways capitalism works on a junkie mentality. companies need to squeeze more and more profit to get their "fix".
On the other hand socialism, is also a junkie mentality.socialism has only lead to hopeless bloated bueacracies, which keep expanding to get thier control "fix".