Regardless of the stage of magga phala, one should always be respectful to the parents.
– Getting a physical human body is not easy. There are so many humans trapped in the gandhabba state waiting to be born with a human body. Our parents provided that opportunity for us, and we should be grateful.
Of course, anyone at or above the Sotapanna Anugami stage is a Noble Person, and everyone else has not transcended the “satta” (or “satva“) state and can be reborn in the animal realm or the other three lowest realms.