Just imagine CloD with WoP map

[philip.ed]

The thing which people are forgetting is the difference between the CloD and WoP terrains.
CloD has realistic 3-D trees (which look amazing up close, and not too bad from a distance (not focusing on colour here) whereas WoP uses trees which have a 2-D image which revolves as you move around them (very similar if not identical to Il-2's trees).
Indeed, WoP doesn't model 3-D/2-D grass, or indeed realisticall created buildings.

But this is one of the reasons why WoP is so easy to play over and FPS friendly. Indeed, RoF uses similar tree models to Il-2, and they work very well for flying.

So maybe, CloD was just being too ambitious, or the right intentions were there, it just wasn't pulled off correctly. I think the latter.