"whereas military units could ... blow them up. [...] and you're basically trying to take over the world. Other tribes are forming around you and they're basically your competitors. [...] there's a fairly deep diplomacy model, so [other tribes] will remember what you've done: whether you've fought with them *or* attacked them. [...] I really enjoy sending my vehicles over and ... maybe attacking their cities and [watching] how they react to my attacks. [...] My favorite portion of [the civilization era] is using the super-weapons. If you fight with another [tribe], you're always fighting your enemies with them at your side, for example."
Kind of leaves a different impression of Spore than I've heretofore gotten, actually.