Ah c'mon. He's only been at it for a couple of months. He needs time to find his voice & figure out what he feels comfortable talking about, especially as he still has a brother in the starting 15. He's hardly going to turn into Ernest Hemmingway over night.
I thought his candour about Aidan O'Shea's dive (and what he would have done in similar circumstances) was refreshing, considering all the holier than thou sanctimony in most of the meeja.