Are you kidding? The discovery of the Dead Sea Scrolls proved virtually nothing has changed.
Scribes took making copies of the Bible very serious. If they made one mistake while making a copy, they would throw the entire thing away and start over again.
The Bible was not written in modern English, so it could be he was referring to the various languages (Hebrew, Aramaic, Greek, Old English, etc) the “scribes” used in various copies to get to the modern English version.
One has to trust the the “scribes” were divinely inspired to choose the correct word when translating from one language to another to get to the modern version. The Torah verses in the same Books are very different when read in Hebrew from King James.
The most well known of these errors is the admonition in English: Do not kill, which is actually in Hebrew: Do not murder. Very different propositions.
People prefer to believe that the Bible is a book full of fables because they KNOW that if it is true - they are going to spend an eternity in hell. Pretending that something isn’t what it truly is will not change the facts . . . but they will have billions upon billions of years to consider their error.