Ok, but if a working web browser POC is not worthy of a bug bounty reward, because they claim to already know, then what is the point of the bug bounty? Why are

Ok, but if a working web browser POC is not worthy of a bug bounty reward, because they claim to already know, then what is the point of the bug bounty? Why are they not just paying for specialists to advise them on how to fix this if they have no plan. They don't even listen when you try and try and try to explained what needs to be done. How can a bug bounty fix this?