Very true, Artificial Horizon.
Yes, it's strange there's not more focus on the medical well-being of flight attendants. This has demonstrated a weak link in the chain: Airborne, and rampaging in the confines of the flight-deck - think of the door having been closed behind her - and remember the need for, hopefully minor, first aid of two other crew. It could be very serious.
I have had experience with two friends and one acquaintance who were bi-polar. The young lady acquaintance could, and did, do a lot of damage to furniture etc., while lost to the world in a frenzy. All three are dead, as a direct or indirect result of their malaise.
When one friend changed, it was within a few seconds. I'd always hoped to catch him in that mode, certain I could talk him back. I have never, ever, been so wrong.