If the system is dynamic, then there's no reason to expect that it doesn't somehow oscillate between extremes. If income inequality and unemployment gets too g

If the system is dynamic, then there's no reason to expect that it doesn't somehow oscillate between extremes. If income inequality and unemployment gets too great, maybe there's a phase transition. In that case, a little bit of communism could help alleviate the pressure. Regardless of whether you believe it could actually work, it certainly means that it's not absurd to consider, at least not for the reasons you've stated.