(SPOILER ALERT) Remember on the last part of the game, we discover that the ethereals are looking for "the ultimate race" or something perhaps to succeed them and they thought that humans were said, ultimate race? Obviously this implies that humanity has a massive pool of untapped potential, maybe some are just a "cut above the rest" it's not as silly as it sounds, really. An example would be the muton and the muton elite, the muton elite is significantly stronger, smarter and faster than their less-gifted bretheren, yet underneath their armor you can see that there's very little difference in terms of physical appearance between muton and elite. this implies that the elites were edited by the ethereals just as much as the mutons(save for better weapons and armor). Clearly this shows a diversity between it's race in that some are just better than others naturally. So in that mindset, perhaps in status quo, regular humans are simply too weak at their current state to fend off these aliens save for a few which can be considered as the "Muton elites of mankind" that have the physical and mental capacity to have a fighting chance(DLC chars).(sounds rough I know but it's something I whipped up in just 5 mins but I'll keep trying if it doesn't make the cut) I see, but I think that if our modders/retexturizers figure out how to tackle the problem about model-swapping I think B and C could be solved just as easily. We could probably just make textures from scratch(perhaps based on the outsider or something new(like say the robots from total recall?)) In which we could allow customization and animations. At the very least as long as we make sure they don't look human I guess :P. Btw, There's also UFB(Total recall robots) and DARPA(Defense Advanced Research Projects Agency(Real Place)) Oh and P.S. Dunno if this has already been considered or possible at all but Robotic voices would be REALLY COOL, probably feasible if there's a way to replace voice files or something