So you would agree that you could say that about almost every position on the field?
Better RB play might have made a difference.
Better TE play might have made a difference.
Better OL play might have made a difference.
Better DL play might have made a difference.
Better ED play might have made a difference.
Better LB play might have made a difference.
Better DB play might have made a difference.
Why the preoccupation with the WR position in a game in which they produced?
You've explained why you left QB off the list but are we to assume that you don't think the special teams could have played any better. You left them off as well.