"I think that a very, very large percentage of the 'screening' is really just to provide justification to the subconscious decision that was made within moments

"I think that a very, very large percentage of the 'screening' is really just to provide justification to the subconscious decision that was made within moments." - You are correct, but that's not because companies really want to drag you through these justifications, rather because (I believe) many are required to do so by law.