Earlier quoted context omitted.
> and, from what I've read, would be higher cause the tests have changed. That doesn't sound right - the Flynn effect causes IQ tests to get harder over time. Also, I believe IQ reliably deteriorates with age.
The Flynn effect is misunderstood to be some sort of general humanist truth (because psychology classes generally present it as such), but the existence of a reversal in the Flynn effect in recent years may indicate that it was just a circumstance of the 20th century and not something that we can assume will continue forever. Flynn effect and its reversal are both environmentally caused (2018) https://sci-hub.tw/http…
This sort of collective amnesia happens often if you look out for it and this makes me suspicious of other conventional wisdom I see peddled here and on Reddit. Is it probably true because a lot of people think so or is it true because it chimed with a story. The mind warping powers of politics are well known but maybe the conceit every person shares is that we feel there ought to be a nice coherent story like a box to put things into - meanwhile Reality/Nature/God gives zero fucks about all that.