The project needs to be developed at the first stage, so it's difficult for them to pay bounty rewards with bitcoin or ETH. They should use that money to develop projects and attract more investors. That is the best strategy for new projects
The funding through the ico is for development itself. So how do you say that they will be developed before funding? What they can or will have is an MVP or a beta form of the final version.
The point is that majority of the projects don't have a market to sell their project to so they fail.
That applies to bounty hunters too. They don't watch this similarity.