If you start down that road then you would also have to include a maximum... so that results are not skewed by crew weight over skill.

There are racers, for whatever reason, who excel in light air conditions. Same for heavy air. Some even excel at both extemes while appear just average in the middle.

The wind range racing of the Americas Cup has lead to a narrowing of the boat technology and quite frustrating weather watching. Seems like a bad model to follow.