meh some Karma alliances are more willing than others. I had a FOK nation (ironically I warred with him in the <censored> War) who actually SOLD infra so he could get in range. He surely wasn't lightning quick but he did much more than what was expected. I greatly appreciated his assistance.
When you're sitting w/ no military improvements, negative improvement slots, no aircraft, and extremely limited funds there isn't all that much you can do against a war prepared rogue.