Sir82
The JWs view the Bible as a sort of "dictionary of proof texts".
You said it exactly the way it is Sir82. Even when I was a gong ho jw, I was always puzzled at how often the same core of about 75 scriptures appeared and reappeared in all the publications. They were quoted to support the doctrine of the wtbts not quoted to give insight or knowledge. "Proof texts" is what we called them, not bible texts. I had a Mormon guy tell me once that the witnesses use the same 75 scriptures about 80% of the time to support our teachings.
So although JW's may believe that "all scripture is inspired by god", they definitely believe that only 75 are "beneficial for teaching, for reproving, and for setting things straight".
just saying
eyeuse2badub