Yeah even when people aren't watching movies, humans are notoriously bad at monitoring things. The aviation industry has found this out over decades with autopilots. Something goes wrong, the pilots don't notice or they are completely out of the loop and the plane craters. Air France 447 is a perfect example. Eastern Air Lines 401, Aeroflot 593, Turkish 1951, and the list goes on.
Of course, this fact is conveniently ignored by Silicon Valley visionaries...