It's not a surprise, a lot of the early work on Intelligence was done by Progressive Racialists who made up bullshit in whole cloth to make a political argument. Once the field was abandoned by Progressives, it made real advances. At which, it became a target for Progressives to destroy both because they had already abandoned it and knew they made up most of it originally; and because they were continuing to fight against reality.
It's not a surprise, a lot of the early work on Intelligence was done by Progressive Racialists who made up bullshit in whole cloth to make a political argument. Once the field was abandoned by Progressives, it made real advances. At which, it became a target for Progressives to destroy both because they had already abandoned it and knew they made up most of it originally; and because they were continuing to fight against reality.