There are no "zillion" strategies and counterstrategies, don't exagerrate. Not even in real wars.
And of course a clever human player will exploit the existing system to his advantage, that's one reason of the whole fuss, the "doom fleet" as some people named it.
EaW looks like "attack, defend, move forces around", no more, no less.
Freaking simplified for me, as i said. Yet another good game in the market.