Agree - I really think our tactics are very wing-focused. Unfortunately that has always been our style, so I wonder how much of that is Moyes' direction and how much is legacy mentality. Judging by what Martinez has done, it seems it may well be a Moyes tactic.
You have to remember that in the midfield in central areas, United have just 4 players. 1 a pure stiker, one is Rooney as a 10, and 2 central midfielders. The problem we have is Carrick sits extremely deep these days with the ball. That effectively leaves us with 3 players in the middle. 3 players in the middle, of which 1 is a striker. It is very very easy to mark all of them out the game. This means that when Rooney or Carrick are on the ball, there is no other option but to ping it into the spaces out wide. Hence we see constant crossfield passes.
I genuinely don't think Moyes sits in the coaching room and tells his players to pass to Valencia so he can cross cross cross. I just think on the pitch, given the circumstances, this is how it ends up happening. It's not like our play is free-flowing to suggest there is a direct aim to get the ball to Valencia. So often i see Carrick/Rooney picking up the ball and not having anyone to pass to. As a last resort almost we end up pinging it to the wing.
I therefore don't think Moyes is 100% behind our tactical mess, but he contributes to it by the players and formation he picks. But for a team that is used to playing wide for 25 years, and a team where the players aren't really used to big tactical changes (Fergie wouldn't drastically change our style), I think it'll take some time. I don't think it's fair to judge just yet, although the signs don't look good. Over time though, I do think Moyes will change things. Until then, he needs to figure out a way to paper over the cracks like Ferguson did for 3 years.