Charles Darwin himself exemplified the Argument from Pique, alluded to in past entries in this series, to a tee.
Common ancestry does not emerge from the inconsistent findings of molecular phylogenetics.
What distinguished thinkers had long called out for its manifest absurdity was now, Phoenix-like, rising from the ashes.
Bottom line: Darwin did not have a single scrap of empirical fieldwork to document his conjectures.
Erasmus even touched on the theory of natural selection when he concluded that the strongest and most active animals would propagate the species.