Do you mean:
1) Because journals are really careful about proof-reading and there are no errors in journal articles?
2) Because journals are really careful about proof-reading, they delete every sentence where a scientist says that "I've been wrong in the past"?
3) Some other way in which careful proof-reading removes the possibility that "I've been wrong in the past" appears in a journal article?
It was grammar nitpicking. "The authors where wrong".
Here's the new thread for posting quotes, with the usual rules: