This makes no sense. The quality of capital of capitalism that makes it more efficient than socialism is that it is unplanned and undesigned. Lots of people create goods and services, and the markets selects the winners.
Economies that attempt to plan goods and services stagnate and fail.
There is more than one way to analyze a complex system. Grouping things as materialist or non-materialist may seem logical, but it isn't useful here.
Oops...you used the "c" word...
Anyway...yes governments that try to centrally plan their economies fail, but not because central planning is a bad thing, but due to a lack of control of all the inputs involved; this requires a god-like level of detail and control we humans are simply not capable of. There are simply too many variables introduced by human nature, as well as nature itself; not to mention the unpredictability and uncontrollable nature of the world outside your borders.
The problem with attempting to correlate Darwinian causation with capitalism is that the agents involved with capitalism are rational, intelligent beings who do intentionally plan and create, but on a small scale. The interactions of these rational agents are unplanned and undesigned by a third party (like government), but they are certainly planned and designed by the participants themselves.
However, the agents involved with Darwinian causation are totally non-rational who do nothing through intention. Every mechanism involved in evolution is an accident. Big difference.
NOTE: accident, in the context I'm using it here, should be understood as a lack of intention.