For stuff like this to be used by most people (that is to say dystopically and objectively wrong, like in a hiring process) we definitely don't need any sort of

For stuff like this to be used by most people (that is to say dystopically and objectively wrong, like in a hiring process) we definitely don't need any sort of rigorous research. They already have those Myers-Briggs tests that have no actual basis in reality, not to mention the kinds of hoops you jump through to get your CV read that make no sense. The trouble is not (as far as I'm concerned) that this information will be used by competent, levelheaded scientists. The trouble is that everyone else might start using it.