I also want to point out that being held (in jail or in a psych ward) is FAR more stressful than most people realize. There is no reason to believe that outside of confinement, with his harassers no longer in residence, undermining his business, violating barn rules and societal norms, his behavior will change for the worse.
He may be told, or opt for, regular therapy. It will very likely include his closest confidante. I don’t doubt there will be legal and physical barriers between himself and his harassers.
In other words, AK patients who are FAR more volatile and fragile than MB. It is very unlikely they will want someone whose situational stressors are removed to stick around AK. Not when there are many people who truly need to be there for their safety and for those around them.