He will hit a wall at some point if he is there all year, there's no way around it. There's nothing he can do to get ready for a level of play that high and a long season with men other than play and go through it. I believe that he must make the team, the defense is better with him and he showed he can handle a part of it for now. I don't mind him making mistakes, he did some the last two games and he will do even more during the season (game costing mistakes like any other player). There is a learning curve and he seems to be ahead now but not for long. I'm ready to live with those mistakes because I know that he will still be one of the best defenseman on this team even when things will get harder.
He may not survive after 9 games and there is a chance that the team is waiting to see Schlemko in action and that if he seems ok he will stay and Mete will be sent home, but I can't imagine him not staying. His presence is vital if the team wants to win.
Del Zotto isn't the same player but he still belong in this league and that is all we can ask of Mete to belong whether he is a first pair defenseman or a third pair.
The thing Mete isn't him having good games, it's about how he play on the ice, his style, his composure, everythinhe does. It's about how he behave on the ice and his behaviour make him a stud.