Being the form player in the Premiership doesn't make you international class. It's sad but true. And we'll have to disagree about the level of his performances, particularly against South Africa.
Well maybe you was watching a different game to most of the experts who thought Tom Johnson played badly in SA
you have to look at the opposition did and you cannot be blamed for the teams shortcummings which will affect how you perform.
Barnes and Morris have been banging that drum for around 3 years.
Being an experienced & decorated test rugby player doesn't make you "international" class either. Or for that matter, top flight club level class either. See: Stephen Donald. And Steve Borthwick.