And sometime manager with newbie rank also bring good bounties. So you should rather check project quality, not just checking old manager and their rank.
Other people are too suspicious of new managers because with nothing to prove that they are actually responsible, responsive and reliable then the trust goes down
Even the most good looking projects end up to be scams or having managers that do not really go through what they have promised so most people would argue that checking managers with a good track record would your best bet to a profit