The head has it's purpose, and as for guns, jinx mentioned to me how it would actually be good to have gun mounts for cannonballs. It would bring a bit of change to all the transport views, and besides, who says you can't just mount fighter mining gun there and that's about it.
Here's the deal with Hogosha. Kishiro proposes this ship to Kusari, I bet Samura won't decide to ignore it because we fly each other's ships. Emperor sees it as a great ship for the war effort. Ship starts getting produced, everyone is happy.
About Hogosha. Look, I know what you guys mean, they surely can get their hands on the ship if you think hard enough on how to pull it off. But turn that thinking in opposite direction please and try to help me ensure the forum people that this ship won't pirate around but will actually mine.
Or we can just remove the CD and spoil that part of the fun to everyone