Originally Posted by D1andonlyDman

No, the interventionist aspect of eugenics is problematic. In Darwin's observations, the gene-pool selection occurs naturally. If you crack a helmet and emerge unimpaired, you're not selected out of the gene-pool. If, irrespective of whether or not you wear a helmet, you wreck and are no longer capable of reproduction, natural selection has done it's job.

In a modern society, physical skills such as bicycle handling may lose value relative to cognitive skills such as the decision to protect one's cranium during cycle.