In the Veritasium video about IQ they said that the American military actually has limits on how many people with below average IQ they can recruit. They found out that those people had a higher chance of dieing and needed way more training, so less people with higher IQ were better for the military success.
In the Veritasium video about IQ they said that the American military actually has limits on how many people with below average IQ they can recruit. They found out that those people had a higher chance of dieing and needed way more training, so less people with higher IQ were better for the military success.