The literal highest usage in NBA history and people complain about total turnovers, not per possession.
Keep in mind, USG doesn't even account for assists, so you have to add ast% and USG to get a better picture of how much of the offense is just "westbrook do a thing".
It's pretty incredibly that he manages to have a slightly above average TS% on this volume. He's a great player. He just isn't MVP, hes on the 6 seed.