This is because software cannot parse what the belly senses, nor is there is a way that a mere abundance of "data" could replace experience and render a "correct" decision.
And computers don't have hairs on the back of their necks, or sweaty armpits before a limit is reached. I'm not sure they will have planned at least 1 or more escape route before they enter into any void. I wonder how many have Plan B & C programmed in.
That to me is one of the essential parameters of command; few last minute surprises from foreseeable problems. There will always be the odd one, but then that really will be a surprise.