You see, I managed to convince you that own tokens are not needed by the exchange. Accordingly, developers can buy them from investors and burn.
Yes you did it. I agree with you. The most earnings for investors will come if the developers' intention is implemented.
Let me intervene in your conversation. Do not forget that while the project will be implemented and the developers of the project will begin to redeem the tokens, it can take a long time. During this time, you could start making money by selling and buying project tokens.
Do not forget what the current situation is in the crypto currency market and it's not known how long this will last. Therefore, for this reason, the price of tokens after the end of ICO can remain in one place for a long time.