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 
In general, he is right. All of the above professions receive significantly more money compared to what you can get in the bounty. Yes, sometimes good projects come across, but there are never any guarantees, and payments sometimes come only after a year or even more. As a developer, you already know how to do something and earn your living from this, it is very profitable. Indeed, in essence, bounty is a speculative sphere, which means that sooner or later it may not become.Even though it's true that there have been a lot of bad bounty campaigns, but that doesn't mean all bounties are bad. There are always good
bounty campaigns, what is needed is we have to be more thorough in doing research on bounty campaigns that we really want to follow.
And the most important thing in working on bounty campaigns is patience, sometimes the payments we get can be paid in several months,
or even I was paid more than a year. Indeed, working on a bounty is quite stressful if we can't patient to face it, but keep in mind that there are
always bounties that provide good payouts. We only need to do proper research and analysis in choosing the bounty campaigns that we want
to participate in.