The scary thing is that the Post Office kept denying there was a problem and stating words the effect of "it is impossible for the system to be broken" and the courts took this as gospel.

Amy developer knows that any piece software can and does have bugs that only cause problems in rare and unusual circumstances. This is something that the Post Office and the courts should have understood and considered, rather than just assume the system was infallible.

Its concerning for the future as we rely more and more on computers. If the courts, police etc just assume the computer is correct then we have a problem. If the computer says something is amiss, how to do prove or disprove it? Especially when AI is thrown in to the mix and the decision process isn't totally clear.