That's indeed what I think devs are trying to do here. Make it not too long so that you can easily (relatively speaking) play it over and over again. At higher difficulty levels, which I can't wait to check out as the AI is already great on the normal settings. MUCH better than early codes led to believe.
Besides, every confrontation plays differently every time you replay it thanks to the totally unscripted AI. It's really awesome how the game still feels fresh every time you play it again. I mean, before every confrontation you are like "let's see what the HGHs will come up with this time". And indeed something different happens.
Also, you'll be surprised about the non-linearity of level design. You'll notice that in a couple of vids I prepared for Dec 4th