Demetrius Andrade would be considered unevolved by modern critics if he fought in the 20's https://streamable.com/giunk Change my mind
Some recent fighters who would have come up for a lot of flak if they had fought in the 1920s are Ricky Hatton, Carl Froch, David Haye, Vitally Klitschko, Deontay Wilder. Even somebody like Vasilly Lomachenko might have been criticized, if the quality of the film was bad enough.