Let the bounty hunters to get paid by established coins if not bitcoin for their work. Managers will not need to worry about allowing newbies because the genuine members will start showing interests. The promoters want free marketing and expect to have massive good things from that marketing? Nothing is free.
2. No neg trusted accounts can join period
Are you sure that most of the DT even deserve to be in the DT network? Forget about the feedback they leave. These days the DT network is filled with vulnerable users who are doing everything to have a place in the network.