So 6 is ban, 5 reject, 4 a warning... and so on? 
But back to the original question, Matt. For some people it takes real 'guts' to write in a professional forum and rejecting their content can feel like personal belittlement or rejection. Its why I think that while moderators 'garden' (not clean Colleen 
) a large part of their role is patience. Patience to help their community grow, patience to continuously onboard newbies, patience with repetitive questions and short members, patience with others learning curves...