Tragically, whether or not something is depressing appears to be uncorrelated with whether or not it's true. Anyway, clearly "IQ" isn't hard-coded. People get

Tragically, whether or not something is depressing appears to be uncorrelated with whether or not it's true. Anyway, clearly "IQ" isn't hard-coded. People get different scores on different days on different tests, and people tend to get higher scores over time as they get better at solving the dozen or so standard classes of problem that you tend to get (just ask me what this cube looks like unfolded!) On the other hand, there is a very real phenomenon called "intelligence", and people have it to varying degrees (so do animals, to even more widely varying degrees), its effects are well known to everybody from our experience in the real world, and IQ tests are vaguely correlated with it. And it does seem to be largely genetic.