No not really. I can assure you that not all bounty hunters will dump their bounties once it will hit the exchange because I for one will hold my bounties until it is the right time to sell them. Maybe you are right that we need to understand the project itself because if that project is good then probably that coin have a high probability to go to the moon and you will regret later why you dump it early, it is a common experience here in crypto world.
I agree with you not all bounty huntres dump their tokens right away. They are wiser now and know how also to hold their rewards. They are also willing ro wait for the righ time to sell. I think it depends also to the bounty or ico poject they are into because there are some tokenns that are good in selling right away at it seems like it will not grow bigger.