@wanted123: I do not think that we can call the members "greedy" if they want to wait for the payment proof. Such members may not have enough time and in such situation, if they spend time on new forum and then if they do not get the payment then....what would you call them....? Unlucky....
By not positng on new forums, such members are lossing a chance to earn through referrals. So they are not earning more but they are lossing more. In any case, the early members of the forum are honored and given preference to other members by the admin.
You know that many forums are turning scams now a days and so if someone wants to play safe, there is nothing wrong.