Earlier quoted context omitted.
"and it's replaced both a gym and a trainer for me " Exactly The game is enough for you (and for a lot of people) And that's in the universe of people that do exercise currently. But the game doesn't replace weights/equipment (as much as the bodyweight people want to convince it's not needed) or more advanced training techniques (and frankly, several "fitness trainers" are misguided) But trainers and gyms etc are goi…
Weights and equipment can't be emulated in software. And you need a gym to keep them in and provide hot showers after. But I'd say that there's less need for a personal trainer than ever before. You can find the how-to use video on youtube, the community on reddit/r/fitness, the training calculator on your phone, etc. I don't see that trend reversing.
http://well.blogs.nytimes.com/2013/07/17/exercise-in-a-pill-...
What we can't emulate in software or robotics, shall be done in biology.