I can say 100% that 60% of all bounty is a Scam. The reward for them is either given and the tokens will lie on your wallet forever or do not give at all. Then what's the point of doing this ?
Cheating, fraud is all part of the soul of some people. I would even say that for the most part, man is inherently a greedy creature. If he sees an opportunity to fool someone, he will do it. Here you just need to do so that those who create projects could not make them without indemnifying the loss in case of the projects failure. For example, entering passport data when registering the project.