What makes a bounty manager better? It's not about the success of the projects they introduce, it's about
1. How the handle the campaign
2. It's about fulfilling what was promised to bounty hunters
3. It's about fighting the fair fights for bounty hunters
The success of a bounty project is not in the hand of a bounty manager, the ball is in your courts, you are responsible for the bounty projects you choose, if they fail it's never bounty managers fault. Always remember this.
You're very right about your points but I don't totally agree with them. While a good bounty manager is respected for doing those three points you mentioned, you cannot be saying it is not the responsibility of the BM to bring in good bounties, I don't agree with that point at all. Fine, it is the responsibility of the hunters or investors to do enough findings before taking step, however, BM that also brings in successful projects are highly respected. What is the essence of a useless token/coin paid into my wallet. To me, BMs that manage lots of unsuccessful projects are neither good nor reliable.