Yes, it's rude and not a way to hold a conversation.
You are already ten steps ahead in the game of life, recognizing how this behavior leaves you feeling.
Challenge, going forward, into adulthood and away from your family of origin, is not overreacting to it, yet asserting/addressing such behaviors from others, who may do this, unaware of why it's more painful for you, than others.

Her ears can't hear you? Oh dear....



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