It's wrong I guess but I can't ever see it changing.

I remember after SSM beat Margarito, I was so excited telling my Mom of all people that she should watch the recording with me. When she saw Shane's record before the fight she says "Oh he's lost loads of times, he can't be very good!"

The casual boxing fan or people like my Mom who know jack shit have the general consensus that boxers who have been beaten are not that great.