“To save .25 cents of wire. Bean counters and engineers are at each other’s throats from the womb. Bean counters never seem to realize that if the plane goes down, they aren’t the ones that have to explain it to a judge.”
BINGO. As an engineer, I can confirm
I would NOT be at all surprised if all the aircraft systems are on one IP backbone to save a $million or so on wiring. and they figured their security software was good enough. oops
The flight entertainment system doesn’t even work on 70% of the flights I’ve been on.