Well when I think of steroids I think of an image. You have the advantage over someone which is a form of cheating. I guess it wouldn't be right unless it was legal for everybody. Reason it's not legal for everybody is because it can hurt people seriously.
People until I was 60 would always say they thought I looked younger which I think without flattering myself I did but I think I certainly have as George Orwell says people do after a certain age the face they deserve.