I believe they're referring to the reversal of the Flynn effect[0]. [0] https://en.wikipedia.org/wiki/Flynn_effect#Possible_end_of_progression https://en.wikip

I believe they're referring to the reversal of the Flynn effect[0]. [0] https://en.wikipedia.org/wiki/Flynn_effect#Possible_end_of_progression https://en.wikipedia.org/wiki/Flynn_effect#Possible_end_of_p...