Sure, but when just seeing the "name and rating" of bidders, this detail isn't directly visible. Many times buyers decide very quickly whom to give the work to,

Sure, but when just seeing the "name and rating" of bidders, this detail isn't directly visible. Many times buyers decide very quickly whom to give the work to, based on a very superficial glance on the ratings, without entering each dev page and examining it in detail. This is mostly true for the small jobs.