I think the point is that businessman selects employees who then make more money, are healthier, and therefore more reproductively interesting and successful. This means that a one can influence evolution without reproduction. This is something like an externally caused drift. The businessman can select who is more likely to reproduce, likely biasing work ethic, respect, etc.
It's a valid point. One should not be so quick to dismiss ideas.
It's a valid point. One should not be so quick to dismiss ideas.