The fact that we can’t identify the UAPs, in light of our own “limited scientific imagination,” should not be permitted to manipulate us into a false dilemma.
Some ideologies (such as Darwinism) wrap themselves in the mantle of science even though they lack — or are inconsistent with — the evidence.
This technique of examining biology through the eyes of engineering is not necessarily new — systems biologists have been doing it for years.
A giraffe grows from a zygote to an 18-foot-tall adult while keeping its organs and systems coordinated. Limits to variation is a significant point to clarify.
An “engineering theory of evolution” might be one way of expressing what the ID proponents who participated in the CELS event were seeking.