Talking in definitive terms regarding anything that is constantly fluid is usually unwise. However, in sports we attempt to do such things on the regular. It is a dangerous game we play, one in which we are more often wrong than not.
Yet, danger sometimes fails to dissuade human beings from doing that which seems irresistible. The negative stigmas we attach to players or the positive vibes we tweet about can stick with guys for the rest of their careers, with almost zero chance we change our minds on the subject.
We do so, mind you, while ignoring all the nuances which go into evaluating an athlete.