Very interesting clip, thanks TS. If the battery can re-ignite, due to no colling property of BCF, then discharging all of the extinguisher content in one go will be the wrong thing to do. This problem - as with all of the points in the OP are long overdue to be fixed. But it's going to take years of crack down and countless violations will continue because some CEOs will favour the money and trust that the insurance claim does not happen on their watch.