I think you've taken the complete wrong lesson from this. The problem wasn't the software - the software had bugs, all software does. The problem was that peopl

I think you've taken the complete wrong lesson from this. The problem wasn't the software - the software had bugs, all software does. The problem was that people in the Post Office and Fujitsu asserted there were no bugs, no bugs could happen and made all sorts of statements that weren't even plausible and those that went against them got prosecuted and destroyed. Not because the software didn't work but because the people in charge covered up the software not working rather than dealing with the fallout. These exact shortfall issues could've happened and with an open and honest process of investigating the problems they could have been sorted decades ago. It wasn't the software that was the problem, it was the systematic cover up that was the problem.