....now exactly how would you reduce the oxygen fraction in the air (well without a nasty oxidising event like a fire)??? It seems on the verge of too difficult keeping the in-flight entertainment systems going, let alone such novel chemical engineering, and it's too quick to be caused by the recirculating respiratory viruses the air-con drenches us with.
My bet is that the seats are too comfortable..........
Only wish I had that problem.
The FD already think we are dumb (dreadfully, even the CC think they are smarter than us pax), can we stop providing the evidence they crave