The rule "make 15 quality post" are not really followed up by bounties organisers so many a time post that really has zero credibility are posted just in the aim of have a post count by the bounty are poured in on this platform.
   There by causing the community to pay the price of the excesses of bounty campaign
   But if this bounty project organisers can adequately check the post and give a pass to a good post and a fail if possible a sanction to spam post.  I fill it would go along way in  getting rid of unwanted post