I think from a coaching staff perspective they are reluctant to move Bo out of the 2 spot because it could have a big demotivating impact. Sports psychology says to always emphasize positive outcomes. Moving Bo down the order may temporarily help the team but could have the opposite effect longer term. Wait for the 200+ ab mark and reevaluate.
I got your point about his change in approach vs 2021 and his ability to sustain a consistent level of performance. I just wanted to add that I hope he doesn't think he's going to hit 20 hr and ruin himself.