On August 27, I wrote to Duke's Office of Counsel, informing them that Howell’s book has been withdrawn by its publisher because of the fabricated quote.
It makes sense to think that the T3SS didn’t evolve into the bacterial flagellum, but that the bacterial flagellum shed some protein parts to become a T3SS.
Macrobiological features have been cited as irreducibly complex, including animal joints and the trap mechanisms of carnivorous plants, even the cell itself.