Since you’re talking about “how evolution works”, can you explain Hancock’s statement about population sizes being sufficiently large to allow individuals to be born without mutations?
I’ll leave it to those smarter than I to figure out how any new species could ever come into being without there being a first.
Obviously in evolution you’ve got a segregating load at all times, but that’s exactly the problem. You’ve got no mechanism to explain how you prevent that load from causing unending fitness decline through Ohta’s Ratchet.