It's science, folks, not some arcane religion.
But in this case you have to remember that the "test" is developed and reworded BY a new religion, one started about five years ago by a guy name Hawke or Hawk or such.
The rest of their assumptions, like those you pointed out, are just plain silly.
... while tough-minded radicals are individualistic and secularist, supporting sexual freedom and believing in evolution. On the tender side, tender-minded conservatives were found to be religious and moralistic, supporting censorship and belief in God, ...
That quote alone is enough to leave folk rolling on the ground laughing. The whole idea these days of equating tender-minded with the current crop of conservatives can only be rationalized when you equate tender-minded with "their brains were turned to mush".
Aslan is not a Tame Lion