The big problem lies in misunderstanding what fitness is. Fitness _only_ means surviving long enough to reproduce (and doing it). A genetically fit organism is

The big problem lies in misunderstanding what fitness is. Fitness _only_ means surviving long enough to reproduce (and doing it). A genetically fit organism is one that reproduces. To be more fit the organism must reproduce more than others in its species. Conflating fitness with so-called desirable traits is what I most often see.