This is a good post, and I agree with the "paranoid porgrammer" attitude being useful. The post could also talk about yet another desirable paranoia, namely "A

This is a good post, and I agree with the "paranoid porgrammer" attitude being useful. The post could also talk about yet another desirable paranoia, namely "Am I building the right thing?" - so talking to customers/clients/stakeholders/users is arguably one of the most important steps when seeking re-affirmation and controlling one's work. Nothing worse than people who think they understand a technical problem, but it's not the one that the customer wants solved...