If the Holy Spirit were the One in charge of man's "official truth" of the Bible we would all be on the same sheet of music.
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No. Because we don't all hear and obey flawlessly.
That's true directly.
That's true with whatever organizational, priestly, pontifical filters and administrators of supposed representations of Holy Spirit truth. It's true in all cases; all contexts; all groups; all structures.
So, the effect is the same: we hear man's "official truth" of the Bible. For how is one to know who is hearing the true truth?