How and why the Bucks, Austin Reaves and the Lakers, the Grizzlies, Julius Randle, Trae Young, and the Cavs have disappointed us, and how those teams and players can bounce back as the season rolls on. Plus, some encouraging signs from Pascal Siakam and the Raptors, Rudy Gobert and the Timberwolves, the Rockets, and the Pacers.