He was referring to those who use 2 Timothy 3:14-17, to justify Sola Scriptura. Go back and reread the article; perhaps you skimmed through it too quickly.
and Alex Murphy also if he wishes to participate. Since DouglasKC is a Sabbatarian and our topic is authority of the church, my question is this: Who changed the Sabbath from the seventh day to the first and by what authority? Obviously Jesus was a Sabbatarian because He stood up and read scriptures on the Sabbath. Quote scriptures that directly explain this abrupt departure from a millennia old Law that was wrote by the Hand of God on stone tablets.