E-W were playing Acol so the 1♠ opening could have only 4 spades. The self-alerts from N-S are precisely as they appeared. N-S claim that their agreeement for the 2♠ call is Michaels despite the 2452 shape.
After 4♥ made, the only comment made was from South to their partner saying that the 2♠ overcall was "a liberty". Two boards later there was an issue with an alert from East and that led to East bringing this board up. East felt that the alert for 2NT was misleading with South holding such good hearts and not having support for both minors. South replied that they felt it was useful to know which minor was held. East then mentioned being a trained TD and that in a live game they would have reserved their rights, then called the TD back at the end of the hand and that N-S would be ruled against.
My question is - if you were the TD and called in on this incident, what would you do?