Program logic bugs vs input/environmental errors

[Piotrek via Digitalmars-d]

On Saturday, 4 October 2014 at 08:45:57 UTC, Paolo Invernizzi 
wrote:

> Basically, the info-path regarding the joystick between two 
> disconnected systems (the co-pilots) is cut in modern plane, so 
> it's more difficult to check if their "output" (push/pull/etc) 
> is coherent at the end.
>
> That, in my opinion, was the biggest problem in that tragedy.
> ---
> /Paolo

Yeah, I wish to know the rationale for asynchronous joysticks.

Pioterk