“That a system evolved in a given environment only proves it’s best at replicating itself in that environment. […] That doesn’t make it a system that we should want to live in, nor, more importantly, is it any indication of its ability to survive over the longer term. Environments change, sometimes rapidly, sometimes because of the system’s own ill-effects. Out-competing other systems rather than living harmoniously with them can eventually be self-destructive. Viruses are a good case and point. [...] The question is not whether share-trading and capitalism have out-competed other systems up until now, but whether their effects are consistent with their hosts’ survival.”