The rhetorical devices used in the article are : logos, pathos, ethos.
Explanation:
Rhetorical devices are the literary devices which are used by the author in order to convince the readers and to put forward their point of view to the readers. There are four rhetorical devices which are the kairos, logos, pathos and the ethos.
In the article "His politeness to her powerlessness", the author uses the rhetorical devices like the ethos, logos and the pathos. The logos is used when the author uses negative words like sneaky, underhanded. Pathos is used when in paragraph 5 the author says "the parents enter the room where the children are misbehaving and stands with hands on hips".