it's not offensive to dignity, it's offensive to pride and there's nothing wrong with that
a former athlete with dignity is not concerned about being compared with others, good or bad, because they are comfortable with who they are and what they did when they were competing.
a former athlete without dignity has only the pride provided from the recognition of others. obviously any comparison that would diminish their recognition, even if it is from top 10 to top 25 of all time, is offensive to that pride.