You don't remember that this approach was tried and failed?
I seem to remember vaguely, but wasn't sure why it failed, or if it was just seeing how something would work. I think the biggest issue with splitting the arenas, is that half the people were dumped from an arena, yet maps built to hold a larger capacity stayed. Dunno, but I really don't see players changing the way they do anything. Gameplay mechanics determine how players play the game. I'm not against strat, but I don't think players will avoid milk running bases, running from fights, and all the other non combat related items. AH is somewhat unique in that it is a combat game that easily allows non-combat, or combat in which one force as a completely overwhelming unbalanced attack.
Alot of vets go out of their way to help people who need it. Though there are quite a few 200 guys who aren't as helpfull. I'm not sure there are enough vets to help everyone coming in, and I would be willing to bet that many, giving the option of training, or milking, some would just milk. Milking bases isn't a one way street either, there should be people defending.
AH2 is still very close to AH1 in terms of how the game is played. There are many more players now, however, which I think changes the dynamics a bit. It's just my opinion that having smaller maps with the split arenas would lead to larger scale battles and more reason to defend bases. It might require countries to split there forces in a more equal fashion. Smaller maps would lead to more wins as well, which I think would be something more welcoming for the win the war types....then again, I might be wrong. Just one side note, having 300 in 1 arena would be similar to several years ago when just 1 ma and small maps. aside from pizza.
Just trying to think of ways to get people to hang around and fight more, and reason to do so. When fights are more concentrated, it gives some of the guys who've taken the time to learn their ACM to play a larger factor. One could go so far as saying "get rid of rank" or "name in lights." how many people you think head for home as soon as kill #2? I think if nothing changes at all, we will continue to head down whatever path we are on. It's HT's path, and he's a better judge of the status of AH, not up for debate, but just throwing in my .02