I agree with you, but the implicit bias test has been crumbling under the replication crisis.

https://qz.com/1144504/the-world-is-relying-on-a-flawed-psyc...

https://www.thecut.com/2017/01/psychologys-racism-measuring-...

From that last link: "Both critics and proponents of the IAT now agree that the statistical evidence is simply too lacking for the test to be used to predict individual behavior."