Actually there are various bounty programs have limits to their participants. High standards are given to applicants who wish to participate in different campaign. So it's not easy for new ones to get involved. But now more members prefer to join in different campaign to earn profit, rather than investing or trade different currency. I think this will not be a problem , because there are so many bounties out there. You just have to look those bounty that have a good ICOs to their members.