VR games are still a bit gimmick driven than the RPG's we think we should be getting but it will get there with time and now with the introduction of 5G connectivity on devices too. I'd rather there be world peace talks done online and not have to fly people around the world unnecessarily.
I think immersive VR will take time because it would not just me merging the tech and gameplay but the stories into one cohesive experience, and that's not going to be easy
As for wars, If people want others taken out which we do as humans, I think they'll opt for getting their hands dirty IRL with drones
I haven't heard of 5G yet, I will definitely go check that out, do you have any links to some useful information?
Here is a pretty cool article on hackernoon about it - https://hackernoon.com/gaming-with-5g-75efa6ac1c70
It’s really going to make cloud gaming a reality and take online gameplay to a new level