this process where persistence turns gradually into multiplication, and we see a proliferation of some type of items where before there were none and we ask, “Why are we seeing these improbable things here?” The question is equivocal! For now there is both a process narrative answer, how come, and a justification, what for. We are confronting a situation in which some chemical structures are present while chemically possible alternatives are absent, and what we are looking at are things that are better at persisting in the local circumstances than their contemporary alternatives.
