IQ is a relative measure not an absolute one. 100 IQ in 2026 can be massively different in absolute terms to 100 IQ in 1956.
If you look at old test papers - the lack of intelligence in modern times is very stark.
Look up the Flynn effect. You're right in the first paragraph, but wrong about the direction.
Yes, but the comment was about IQ, not absolute intelligence. The median intelligence is, by definition, 100 IQ, so the median IQ cannot be decreasing