A complex system that does not work is invariably found to have evolved from a simpler system that worked just fine.
Part of the inhumanity of the computer is that, once it is competently programmed and working smoothly, it is completely honest.
Computers are useless. They can only give you answers.
Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning.