Well yes, sounds great, but it doesn't really address the security problem. Now you've just got the bad guys getting two paychecks instead of one and the good guys getting one paycheck instead of zero.
One of the biggest risks for companies is securing dormant code, it's perfectly fine for a project to be no longer sexy enough to maintain. Platforms like thanks.dev have already proven how reward & recognition can help promote development in an ecosystem https://www.youtube.com/watch?v=e5FV-AnKPlo&t=1s