Barney shows that, contrary to what Aristotle claims, there is no difference between poiesis and praxis.

Barney defends Plato's account of function over Aristotle's.

Barney worries that, on the "architectonic reading," no action is an aim in itself.

Barney claims that Aristotle's ethics must be strictly separated from his biology.

Barney claims that Aristotle's function argument is outdated.

It rests on a mistaken translation of the Greek text.

It was refuted by Kraut's more recent interpretation.

It is not ambitious enough, plus some of the listed items seem bad examples.

It is incompatible with the text passages that follow after the function argument.