[DoreenMichele]

I don't even know where to begin to critique this. It entirely leaves out factors like race and gender that are known to have an impact.

I've spent a lot of years trying to understand the details of exactly how my gender is a factor and trying to find solutions to those details. I don't believe it has to be a problem, but we know it currently is a problem, and these cleaned up models seem to never include the idea that if you are female or a person of color or gay etc, you will tend to have "demerits" or be handicapped (in the horse racing sense of carrying an extra burden).

If talent, work and luck were everything, then we shouldn't have such consistent outcomes that certain groups overall do better than others.