If I were to summarize most engineer comment threads on HN that go off the rails, I would characterize them as experts in one field falsely believing that their

If I were to summarize most engineer comment threads on HN that go off the rails, I would characterize them as experts in one field falsely believing that their expertise in one field qualifies them to make statements about another, perhaps adjacent or even unrelated field. To the experts in the field in question these comments are usually incorrect and often highly amusing, but they are stated with such gravitas and certainty by the poster, that a casual reader might mistake them for the truth.