He is still a great player, what happened to him? It is true that he did not that much the last season's Finals but he still can play right? He may not be the same at the time Linsanity is a thing but I think still had it in him, just give him a chance.
It's a series of games, if I'm not mistaken it was around Feb 2012, when he was given the chance and since Carmelo Anthony is out that time and they are on the losing streak, coach Mike D'Antoni need someone to spark the team and the hell he did.
But when D'Antoni resigned as their head coach next month March 2012 and when Anthony came back, the Linsanity fever has ended. Plus Jeremy Lin was also injured that month as well.