You also cannot blame the bounty hunter in this case because they have been waiting for a long time for a reward and it is only natural that they immediately sell it and cannot wait any longer. if you don't want a dump token after the launch, the team must anticipate it with various methods such as improving product quality and giving discounts for repurchases with a 20% increase in profit.
Many people just keep blaming hunters based on their believe without considering the real facts that, the percentage of coins given to bounty hunters is not at all enough to even drag the price of ICO down 10% and we can’t also blame the investors too, because they can only keep holding their coin if they believe in the project.
Once a developer experiences big dump in their projects, rather than blaming people, they should find out why their projects was abandoned, if there is anything they are not getting right and also check if the product and services being rendered are really of demand.