As you can tell from the history of anecdotes that get sent across the Internet, at some point along the line (probably several points), somebody will undertake to “improve” it before forwarding it to all their friends. The exact same thing undoubtedly happened to the Bible during the many centuries at the beginning for which we have no extant copies. Not only do we have no idea who the original authors of the gospels were, we also have no idea which anonymous “copyists” subsequently tweaked their work on the theory that “Oh, no, they couldn’t have meant that!”.
As you can tell from the history of anecdotes that get sent across the Internet, at some point along the line (probably several points), somebody will undertake to “improve” it before forwarding it to all their friends. The exact same thing undoubtedly happened to the Bible during the many centuries at the beginning for which we have no extant copies. Not only do we have no idea who the original authors of the gospels were, we also have no idea which anonymous “copyists” subsequently tweaked their work on the theory that “Oh, no, they couldn’t have meant that!”.