They aren’t doing the same thing. Katz is ranking his best 36 teams. Lunardi is predicting who the committee will select and where they will be seeded, not who the committee should select.
EDIT: I realize that the title of the post has “predicting”, which is odd because Katz pretty clearly isn’t doing that. Maybe his “prediction” is forward looking based on how he expects every team to end up by the end of the season. He pretty clearly isn’t predicting what would happen if the committee made their selections today, which is what Lunardi is doing.