The Masoretes did not rewrite Scripture; they guarded it, fixing its reading with vowels, accents, and Masora so the Hebrew text could be preserved with precision.
Hebrew Old Testament Textual Transmission Prior to 300 B.C.E.: An Analysis of Preservation, Scribes, and Manuscript Traditions
The Hebrew Scriptures before 300 B.C.E. were faithfully preserved through scribal precision, divine supervision, and widespread synagogue use.

