If at least any company thinks that with the help of bounty aunters they can attract a huge number of investors, then there are no words about those who are in the teams of such companies, because they need to use professional services to promote their companies at a different level than the bounty companies.
Imagine that you would start a new project. I dont think that at the early beginning you would have a lot of money to implement good marketing, and bounty campaigns allow you to do it without having a lot of money