

Seems like it’s either deliberately negligent or sinister:
« The switches are equipped with safeguards, including a locking mechanism, to prevent accidental movement.
They are most often used to turn engines off once a plane has arrived at its airport gate and in certain emergency situations, such as an engine fire. The report does not indicate there was any emergency requiring an engine cutoff.
A US aviation safety expert, John Cox, told Reuters a pilot would not be able to accidentally move the fuel switches that feed the engines. “You can’t bump them and they move, »
« The switches flipped a second apart, the report said, roughly the time it would take to shift one and then the other, according to US aviation expert John Nance. He added that a pilot would normally never turn the switches off in flight, especially as the plane is starting to climb. »
👉⚡️🤯