Was John Paul II speaking infallibly when he wrote this? Of course not. Was he speaking for the entire rcc? Of course not. He was just expressing his own opinion and not fact.
The Catholic Church/Vatican has no problem knowing that what is important within the Bible is its message to us for the hopes of our salvation.
The Catholic Church requires no Catholic to believe the Bible literally.
We have a choice whether to or not.
We do not have a choice in determining the teachings of the truths pertaining to our salvation.