It has drawback, and you can't do it in an unfair way. It works fine for us. It isn't hard to get out of the band. The criteria are reasonably objective and peo

It has drawback, and you can't do it in an unfair way. It works fine for us. It isn't hard to get out of the band. The criteria are reasonably objective and people move upward with ease when they demonstrate capability / qualification. It is far more transparent than not disclosing the information.