This assumes that Fitness is a meaningless aphorism. I would posit that Fitness is a meaningful concept that can be learned. It is defined by what happens to be

This assumes that Fitness is a meaningless aphorism. I would posit that Fitness is a meaningful concept that can be learned. It is defined by what happens to be reproductively helpful to a species, which is tautological, but to understand the definition, it just means you need to understand that particular species ecosystem and lifecycle. If you really analyze any word, it loses all meaning except what we've assigned it.