I think it’s saying that the model used can’t conclude anything about the topic they purport to examine. You don’t reach the wrong conclusion from the premises

I think it’s saying that the model used can’t conclude anything about the topic they purport to examine. You don’t reach the wrong conclusion from the premises (in analogy to a scientific theory making a wrong prediction) — you don’t reach any conclusion at all (in analogy to a scientific theory being unable to predict results entirely).