Indeed, with the early support of these investors, projects that reward them with such a reward are appropriate, even if it adds a few percent more, it is not a big deal because as you said, in the long run, no one knows what will happen to the project, it could be a reward or a risk, the bonus created by the project only helps people feel fair, which is also a way to attract investors. But one very clear problem is that the bonuses are bigger, very few people risk venturing to invest in such projects, the risk is usually quite large