Natural selection, if understood as undirected variation and differential reproductive success, is a destructive process.
As Thomas Nagel would argue today, any theory of evolution that excludes the origin of mind and consciousness from consideration is at best half a theory.
In such a milieu in which there really is no “right” and “wrong,” who needs bioethicists?
Genetic engineering could unleash a deadly pandemic or lead to a “new eugenics” with very sharp teeth.
We can’t trust “the scientists” to do the right thing because over the years too many have proven unworthy.