I'll agree that I don't see the point of having "generic" fantasy army lists beyond their utility in tournament play (and, of course, since it's unofficial anyway, there won't be any such tournaments). However, I also agree with those that see value in putting together FoG army lists for a...

I've not tried it in play, but I've thought about forcing a cohesion check when confronted with cleric hero-types. That cohesion check could, in turn, be countered by other, friendly, cleric hero-types. I think undead would also deserve a bonus of some sort when performing their own cohesion checks ...