Larry,
What you just said makes a certain amount of sense.
However, I would still like to see a "always on" GV-only area implemented somehow, rather than just an occasional one associated with a specific map geography. One reason I sometimes enjoy GVs is the "hide-and-seek" aspect. Kind of like when I was a kid playing hide-and-seek or capture-the-flag outdoors, when success or failure involved one's ability to move stealthily through the terrain. (Sounds silly, but I'm a silly guy sometimes...). So here I am in my GV. After 15 minutes of maneuvering into a position where I am about to ambush my opponent, an AC flies overhead, sees me, and blows me away with a bomb. OK in a "win-the-war" context, but frustrating in the GV-only context. Recognizing that that particular base is no longer GV-friendly, I exit, but sometimes have no place else to go. Hence my support of Sky25's wishlist post.
As a general observation as to why the above happens a lot, it seems that when they are mixed, the air game in many cases short-circuits the GV gameplay, thus spoiling the effect for GV players like myself. It's not any one's fault; it's just due to the inherent conflict between face-paced, powerful all-seeing AC and slow, line-of-sight, "hide-and-seek-playing" GVs.
Of course, this all falls apart if nobody uses the proposed GV-only area...
TDeacon