Do you have any videos of those said game world changes in previous iterations of Fallout?
Answer this; have you even played previous iterations of 3D Fallout?
By world changes, I mean that things like characters in any given town or faction are permanent, and world objects/usable objects are tracked and have physics. The characters in a Fallout game aren't always faceless, wordless NPCs that spawn in and spawn out at random every time you get in close enough and leave the area respectively. They're permanent characters, tracked, with inventories, daily routines, faction alignments, and often unique things to say, or relevance to certain questlines, which is much more than you can say for many of the other open world games you cited. If you cross these NPCs, or help them, via questlines or free roaming shenanigans, or disguise yourself, or become companions with certain people, etc etc, you change the world and your experience through the world in meaningful and lasting ways. The NPCs are just one example of increased complexity relative to other open world games with surface similarities, but they're by no means the only example. Relatively speaking, think about the unchanging nature of games like Assassin's Creed and Infamous, which might have a world event or two take place during the course of the game that change a specific environment, but which don't actually respond to your methodology or playstyle, which don't let you alter the world or its denizens in any meaningful way or with any permanent consequences, and which are populated by nameless randomly generated mooks with nary a thing to say and only a handful of animations to cycle through until you're gone, who only exist to support a binary system of 'shoot or save' or 'kill or don't kill'
Then don't question people again and again if they disagree with what you think. It's not even like you have any good argument rather than this vague "interactions".
That Fallout's systems are more complex than the action games you cited, shouldn't be a vague concept to anyone who's actually played these games and has the experience with them necessary to compare what they achieve through their systems. I'm getting a distinct feeling you haven't played Fallout 3 or New Vegas, and if you did, your lack of understanding is downright inexplicable.
I mean, speaking of inexplicable, you noted earlier in this thread that you had hoped this game would look about as good as The Division. Which is likely to be downgraded, because it is by far the best looking game previewed for the next generation of consoles so far, besides perhaps The Order 1886. That's.... crazy talk.
