Kem0sabe
Arcane
That's some fine reasoning, until the game is shipped and we find out that it's exactly the same but prettier...Exactly.
It is quite funny how people who have some insight into how development works see this video and think "Well, yeah, that's nice for this state in the cycle", where people who obviously lack that insight and are used to "beautified" videos and other PR stuff get mad about how unfinished everything looks.
And yes, they could have done some explaining on the video.
Seriously, the progress shown in the video is okay at this point. And if what they say about the AI is true, that's quite the achievement. Most games, even AAA titles, are not able to deliver an AI that does these things reliably. Of course, we don't know yet if this one will.
Honestly, the first 90% of development (of any game) does not yield truly visible results, while the last 10% of development will look like 90% of development came in all at once. I'm actually surprised they have this lava effect working already. Such a thing would usually not have the highest priority in development.
Out of all the gameplay scenarios they decided to show, they went for the linear cinematic action adventure? Either they are that stupid or they intend to show something of what the game is really about.