The number of balls faced isn't terribly representative though. He'd have made no difference at all in the first 4 - two won by 8 wickets and one was the Buttler show, SA was a dead game when he may have made a difference, but he got out with about 2 overs to go. In the WI game, he got out second ball needing 20 to win.
In the two close games, he got out hitting, and that could have happened just as easily in any game.
The England team has too many options, and as ever it's not easy to break in. I think only Mills really made much difference in the end, due to the very short form of the game.
I'm also amused by Morgan apparently being the best captain, but when NZ were bowling, everything was pre-planned and done automatically. Both by the same set of commentators. I think T20 is almost programmed now - choice made on left/right handed batsmen, and where the boundaries are.