Eddy, in my view you are completely missing some basics about flying, you wrote:
For the crew to take no notice of this apparently serious problem, shows gross negligence towards the safety of the aircraft and the souls onboard.
and
Joe Public or your average nervous-flyer might not be able to see the situation as clearly as we can.
First of all. Temperature has nothing to do with any airplane crash. Low temperature was mentioned after the Helios crash in relation to depressurization. This is what happens if you are at 40.000 feet and pressure suddenly drops. It gets cold and misty, but these are secondary effects and in no circumstance the cause of a crash. However if the pilots do not put on their oxy-masks, they might faint, and then you might have a crash.
Secondly, you are not one of the individuals who, as you express, see this case clearly. This thread was about low temperature felt by a passenger, and obviously not a problem to the cabin crew, so I really doubt the severeness of the situation.
I am sorry if I sound a bit harsh.
