Yep there would be plenty of times where pilots have 'committed' themselves to their original destination knowing full well that it 'might' turn to poo but I guess that's up to the individual.
Legal is good we are all bound by the reg's but sometimes the legal goal posts move whilst in flt (Eg you take off with legal reserves & suddenly they say over the radio hey hazard alert Syd for Eg now req's 3 weeks holding !!) A good pilot will make decisions @ the planing stage based not only on the reg's but common sense & 'reading' a little more into the wx for that comfort factor
Wmk2
vvvvvvvvvvvvvvv
"T5" yes am aware of that crazy stunt but it's not quite the same thing now is it?
I guess it was an act of defiance & he had options (land elsewhere & start all over again):-)