BTW, I realize that the usual 10 anti-GV guys will post negative replies, because, by in large, they enjoy the current situation, which forces GVers to be mice to their cats everywhere on the map. And I can see why, if you don't GV much, this seems like it might be over-controlling the game (violates the traditional "free-for-all" philosophy).
However, don't forget that HTC has apparently decided to support GVs as an equal part of their game, as evidenced by all the new GV models introduced, and the new GV control mode. Once this step was taken by HTC, the fundamental inferiority of GVs relative to AC becomes central to a large minority of the player base, rather than peripheral as before. Thus, it seems approprate to reexamine the traditional "laissez faire" attitude and to perhaps take steps to adjust to the new reality, such as that suggested in this OP.
Speaking for myself, I will maintain my subscription regardless, even though the current situation makes the game less fun than it could be. However, those mostly interested in GVs will be frustrated, and may not become and/or remain a part of the paying AH community.
MH