Oh come on - settle down!
According to the Lancair website, this aircraft is pressurised to ONLY 5 psi at FL250.
Their TUC (time of useful consciousness) is 3-6 minutes.
They would have had time to have a cuppa before doing anything drastic. Sure it might have been a bit chilly, but really.
Think about the guys up around 50k that have a PSID of around 9 and TUC is around 5-8 SECONDS (not minutes).