In the latest behind-the-scenes video for Deus Ex: Human Revolution the development team demonstrates the most explosive of the game's four pillars: Combat.
You can avoid killing everything but bosses in the next Deus Ex game, focusing instead of the other three pillars of the game: Hacking, stealth, and social. I say bah! Where's the glory in not being seen? What am I, a ninja?
Of course I am a ninja, that's why I run in guns blazing every time. Cybernetically enhanced gun jutsu!