Just looking at the results so far, Moyes had actually done a bloody good job beginning of last season. Compared to beginning of this season he was almost a genius. The like for like results so far are:
Sunderland v Utd (last season Utd got 3 points from this fixture)
Utd v Swansea (Utd got 3 points)
Cardiff (substitute for Burnley) v Utd (was a draw so no change)
Utd v Crystal Palace (QPR equivalent) (Utd got 3 points)
With these three games last season they had 10 points on the board. This season only 5. So Utd (injuries, new players, whatever) are already fighting last season's mediocre campaign with a -5 points deficit.
Liverpool got 12 points from the same games. So they've got a tough job trying to just meet the same standard. They will more than likely drop 3 odd points in these games this season.
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Turning it around, Liverpool's 4 fixtures so far:
Liverpool v Southampton (last season 0 points at Anfield)
City v Liverpool (0 points again)
Spurs v Liverpool (3 easy points last season)
Liverpool v Villa (1 point at Anfield)
So last season Liverpool got 4 points out of these fixtures yet finished on 84 points. This season Liverpool actually have 6, an extra 2 points already in the bag.
Utd across these same fixtures got 5 points, better than Liverpool last season, yet still finished quite a few points off at the end. I can see Utd getting maybe 7 points from these games.
Conclusion: its actually closer than I thought it would be (across these fixtures only, not the season yet).