I used to drive a Mazda RX-7. It had a rotary motor. The RX-7 rotary motor. There, I just said the Mazda RX-7 is a rotary motor. Yes, it’s absurd.
As long as you continue to read people in the most unflattering light possible you will not be exhibiting the stated goals and intentions of this site.
@swamidass why don’t you just ask @bjmiller if he meant to say that the bacterial flagellum is a rotary motor?