Airline pilot here, with experience with both systems, but not technical knowledge of the inner parts or how much they are capable. I have to leave right now, I

Airline pilot here, with experience with both systems, but not technical knowledge of the inner parts or how much they are capable. I have to leave right now, I´ll be expanding this comment a bit latter. By now just tell you that both systems are capable of creating great troubles if they can be accessed as easily as he claims (and I think they are).