If about 60% of women are only availing themselves to the top 20% of men, that leaves 40% of the women for the remaining 80% of men.
Your math doesn’t work.
The good news is most guys don’t need x percent of this or y percent of that.
Many will be happy to just one good woman (at a time, at least).
Statistics are great at 30,000 feet—but men meet women on the ground one at a time.