Exactly, the excess tokens are prone from the hands of a greedy dev. So in order to be fai and square to all, this should be burned instead of letting that greedy one to have an opportunity of becoming a price manipulator of their own platform.

On the other perspective. My unsold tokens are just merely forgotten". I choose to forget my ZAP tokens (ever heard about it already? I don't think so) since I realized that it was a shitcoin after all, there's no point for expecting profits in returrn.