There's no reason to sigh. It's a fact that the authors of the books of the bible were men. That is the starting point for the discussion. The importance of that cannot be overstated.sigh...
2 Timothy 3:16-17
All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness, 17 that the man of God[a] may be complete, equipped for every good work.