I don't think this needs to turn into a "The Captain' violated a reg" bashing session. The FAR's clearly state that in the event of an emergency, the PIC has final authority and they may deviate from the regulations if need be. I know he was thinking "Safety First." So, there is no point in looking into the matter any deeper then you have to.
I owe the Captain a shot of the creature for his experience and great decision making skills. I tips me hat to the FO for staying cool, and not having "Ninja Hands." And last, but certainly not least, a huge THANK YOU goes out to the FA for keeping the "cattle" calm. GREAT JOB FOLKS!!!