Rapid Decompression at 20,000ft, time of useful consciousness = 3mins.

Perhaps the CAA will deliver out 1000 lines to the individual concerned:
"I will do my checks before I start the aircraft"
"I will do my checks before I start the aircraft"
"I will.......
The fact I have to fly up in the air in the same airspace as this imbecile is simply abhorrent. It's a disgrace!