I looked at this discussion in a different way:
vytalibus wrote:The priority system does not increase the chances of getting your map ranked, but it sure makes us BATs conscious about them.
The priority system should increase the chances of a higher-priority map getting looked at by a BAT.
To me it's not about ranking, though that is the ultimate goal.
(My reasoning for wanting to increase the star limit is to encourage BAT's to look at higher-priority maps.)