It might seem funny to some especially involving it that this incident involved an 83 year old man. But, who is to say that said pax was not an ex-Kung Fu Master or part of some other planned distraction in a hijacking attempt?
Of particular note, all of the Cabin Crew ran towards the front of the aircraft to confront an unknown emergency situation in response to an emergency signal from the Purser. Such an act of bravery is to be highly commended.
You folks who travel on Cathay Pacific don't know how fortunate you are to be in the hands of highly trained and now proven courageous crew.
Don't even think about messing with Cathay Pacific...