Originally Posted by
nk15
Yes, I saw the diagram, so that will prevent accident but not deliberate act. I guess if one pilot wanted to do this it maliciously it will be hard to hide it from the co-pilot at take-off, right? But maybe not impossible...
If you're worried about a deliberate act, there are an infinite number of ways a pilot can do something malicious that have always existed, you shouldn't be any more concerned than you were before learning about the fuel control switches.