I don't think it's bogus. I've seen people who strongly crave for (a feeling of) certainty prefer simplified categorizations and false absolutes to complexity

I don't think it's bogus. I've seen people who strongly crave for (a feeling of) certainty prefer simplified categorizations and false absolutes to complexity that doesn't offer absolute certainty and discrete clarity. Similarly, some things aren't readily quantifiable, and in some cases any quantification might be a great oversimplification at best. In those cases wanting a quantified and measurable answer instead of a more complex answer with less (of a feeling of) certainty can amount to wanting a lie. Or at least to wanting an answer that feels a lot more certain and true than it actually is. I think that's what the post is about. Of course the title isn't absolutely true either. Of course you can say and find things that are true and (to a good approximation) certain. But that's not really what the post or its title are trying to say.