Perhaps its just the folks with a sense of entitlement doing this, in the USA?

Why can't you just REFUSE them saying PA is only for business purposes, not for pax life events. Hand them back the note. Simple.

Never heard any such thing on any of the other international airline. Keep it that way please, as the annoucements regarding duty free and sales onboard are already too much disturbance while trying to kill time being immersed in a movie or program.