Perhaps not explicitly, but when someone writes:
It seems that she doesn’t have the courtesy to thank people for their help and advice or even reply to them. That is improper and actually, rude.
that strongly implies the need for her to give one.
But I'm not going to continue to argue with you about this.
But I’m not going to continue to argue with you about this.
Good, because you don’t have a leg to stand on. You would be wasting your time.