I also strongly doubt the claim that human intelligence has stopped increasing. I was just offering an alternative hypothesis in case that proposition were true. Also, OP was arguing that intelligence stopped increasing at an evolutionary level which the Flynn effect doesn’t seem to contradict (after a quick skim of the Wikipedia page).
What about the Flynn effect?
I also strongly doubt the claim that human intelligence has stopped increasing. I was just offering an alternative hypothesis in case that proposition were true. Also, OP was arguing that intelligence stopped increasing at an evolutionary level which the Flynn effect doesn’t seem to contradict (after a quick skim of the Wikipedia page).