Just saying, if all you want is for an enemy to attack you so you can fight them without being the one to declare, there are easier ways to do that, since we're working with AIs here.
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I don't know about danielost, but for me the means are often more important than the end. It's that pesky role-playing streak of mine.
Plus, if your military rating is on a steep growth curve leaving others in the dust, influence bases seem to do little more than cost you the bother of constructor micromanagement (and speed up world-flipping, of course).
Not that I expect (or really want) effort on something this subtle for GC2. The diplo engine is just too primitive and there are plenty of other worthwhile areas for the devs to polish during the 2.0 effort.