Firstly a pilot cannot cut off the oxygen in a commercial air liner, it’s not as if they carry oxygen to add to the cabin air in fight. Oxygen concentrations are maintained by pressurization of the aircraft, a pilot could depressurize the plane theoretically, but I’m also sure in a modern aircraft such as an airbus there would be multiple warnings should the aircraft fail to maintain a proper density altitude onboard. The premise is false for the outset.
Oxygen generators and onboard oxygen is provided in the event of depressurization, some oxygen may be carried for an onboard medical emergency. Oxygen is considered a drug and would not be regulated by the flight crew other than through cabin pressurization.
That’s not actually what was stated. The point was that the O2 would run out anyway with emergency masks. Not that he cut it off.
Poor headline, including the fact it does not include a “claims” disclaimer.