I think the battle over whether we should label Nigel or his tactics as negative is disguising the real issues. I see two major problems:
We are horribly wasteful in the final third. A goalscoring opportunity becomes a miss, and from a position to create a goalscoring opportunity we create a corner or have a mis-hit cross. This isn't perceived as problematic by the players (I dare say the staff may not see it this way) because they know we will have more of the ball and these opportunities will come around again, several times, in the match. What we then find is by full time we've had two dozen situations where the 'final ball', be it the pass or cross or the shot itself, isn't good enough and we have a grand total of zero goals to show for those opportunities. Scunthorpe aside, we tend to get one right per home game. In contrast, the opposition (especially when they come to BDTBL) know their chances will be few, maybe even only one. So from their handful of good situations they make the most out of it and score once or twice, which is often enough to avoid defeat because we are so wasteful.
The other problem I see addresses the negativity argument more directly. The common perceptions on this thread are that we pass it sideways and backwards (or 'recycle possession' to use modern parlance) and the opposition immediately drop all eleven behind the ball when we get it. These don't go well together for the possession team. Or at least they don't when the possession team is a third division team. I don't agree that it's relative. Ask yourself if the best defenders in the world can tackle and block better than third division defenders to the same degree that Ronaldo and Messi can dribble, pass and shoot better than Murphy and Baxter. Keeping possession and attempting to break teams down as if we are Real Madrid playing against Espanyol is downright stupid. My real point is this: we are renowned for our ability to pin a team in their own box in the last ten minutes if we are losing, or drawing against weaker opposition, when they drop off to defend with eleven behind the ball. Hang on a minute, aren't they doing that for the preceding 80 minutes? So why can't we put teams under pressure and make them crack before the last ten minutes? Because we knock it sideways and backwards instead of forwards. We only look to play forwards with purpose when we're desperate.
So the answers are fairly simple to my mind. Forget setting up based on the opposition, the players at this level aren't worthy. Spend the week working on improving that 'final ball' and get the ball forward with purpose from the beginning. Worst case scenario is we lose 2-1. Doesn't seem like we've much to lose there.
The only stat that counts is goals. If 90 minutes have been played and the stats read possession 60-40, shots 25-4 and goals 1-2, we've lost the game.