Sorry but I don't think the Olympics and college football are shining examples of, anything really. Should either of those be a role model for cycling?
I don't even watch baseball and I know this one... The reason that betting on baseball is not permitted is because betting could, and does, effect the outcome of sport. And yet his record as a manager remains in the "record book". What about his years as a player/manager? Should they expunge exactly half of those stats?
So address doping by acknowledging that the UCI was corrupt, that the anti-doping agencies failed miserably, that most of the riders were doping (both before and after Armstrong), and move on. He won 7x, he was found to have cheated, these things happened in that order, they are the past and you can't change it.