> I see no indication that current human intelligence is at anything close to a historical pinnacle. Human knowledge, yes, but intelligence? No. Collectively, we're dumb and trending dumber

We are at a peak in absolute terms, though the decline is coming quickly:

https://x.com/jonatanpallesen/status/2034755779501105321

But in relative terms intelligence has indeed been declining for a long time:

https://x.com/jonatanpallesen/status/2034912319256330729