I don't think this is very responsive to Yvain's request, either the sympathy or avoiding the pattern-match to coercive uniformity. Of course there is conflict with other goals, such as the system actually helping people, but quoting Yvain's challenge suggests you are trying it.

Asserting that eugenics done correctly would lead to diversity is the barest concession to Yvain's challenge, but I think it would take a lot to convince the reader. Economic reasoning is not at all sympathetic. Many people are bothered by real instances of privately paying people to be sterilized.