There is no known cause, other than intelligent design, that can produce machine-like structures with multiple interacting parts.
Recently, atheist Michael Shermer debated Catholic philosopher Edward Feser. The subject was Feser’s new book on five arguments for the existence of God.
Here’s a great insight and juxtaposition by historian and philosopher of science Michael Keas.
I don’t think that Stephen Larson is pro-intelligent design, which makes his descriptions of biology all the more striking.
This remains a major problem for evolutionary thinking, whether under an adaptationist or a neutralist model.