"Brain the size of a planet..."
The software explicitly logs its decisions. which makes the system more transparent, and decisions are ultimately signed off by humans.
"... and I'm not allowed to do anything until one of you lot scribbles on a piece of paper. I’ve worked out an answer to the square root of minus one, and they need to scribble on a piece of paper to show that they agree with me. And never a relief from the terrible pain in all the diodes down my left side."