You are right - it's very important to check The White paper of every project to understand goals and methods of it achievement!
So I'll try you to clear up for some details!
BHClub is a service which included big team of bounty hunters with their personal rate. This rate is cleary visible for everybody, ICO developers included. that's why they can select whom to work with or not. So ICO conductors will get a professional BH team, high skilled and ready to do different task - for this they will pay!
Functionality!!!- check it yourself in the site!!!