I think it also comes down to the fact that you've hit all these beats before, for the most part. You can do that with a movie because the entire thing is done in a couple hours at most, but games have been made, priced, and expected to last upwords of 10.
And you can't simply disengage and veg out like a movie, no, you are forced to interact.
Huh, looks like they took a bunch of game ideas and threw them into a blender. I see some heavy GvG design, particularly how VoD worked. But also with moba skill ideology by having a set small pool of skills. Combat looks both like an ARPG and a TPS like Firefall. I'll keep an eye on it, but it is going to need to be tightly balanced.