there are still some bounties that can make money even if not in large amounts and this is enough for everyone to earn additional income. So still want to forget about the bounty? even if I have expertise in finding bugs, I will never leave the bounty, at least I will get more profit, I'm greedy 
I agree that bounty should be something of a hobby. This is a great way to just support a project you like and earn an indefinite amount of money. It is important not to take this too seriously, because by and large there are no guarantees. If you treat it as a non-binding hobby, then you will be pleasantly surprised every time. The times are interesting now, but there are still a lot of scams, in this we should show extra care.