Yet again, it's a scheduled medication with high abuse potential. If you feel so strongly about it, go petition the BOP for that category of medications to be used as front line treatments.

Edit: To add to this, he was using multiple medications that are questionable together while FTX was defrauding it's investors. I'd love to know from the many commenters about how this helped his "impulsivity" in the slightest. Seriously insane thought process.