I don't know about you guys, but there were times when it was possible to get complacent - for example, you land at a Terror site and see Snakemen. Automatically, you relax because Snakemen are just big stupid Aliens that can't do anything except shoot at you (unless of course you get too close to one of their pet Chrysalid things.
What if that wasn't the case? What if in that example, the majority of them are Snakemen, but along for the ride, just to mix things up a bit are a squad of Sectoids, or Ethereals? That would keep us on our toes more, no?
