Yes it's true it's larger than books and movies, but games in the end just compete with other forms of media for customers' entertainment dollars.
Unless we can come up with a use case for VR beyond gaming and fulfilling escapist fantasies. It will likely just be another contender for entertainment dollars.
Smartphones on the other hand essentially made it possible to do anything a general desktop pc could do for people on the go without having to be tethered to a chair infront of a desk. Phones can be used for payment, notetaking, etc. There are people who use smartphones and don't play games at all.
This sounds like it will fall into the same "echo-chamber" problem platforms like Youtube fell into. Note that with the social-credit system, you are docked points if you are friends with the "wrong" people. Thus, you naturally friend with people with similar interests. I don't think they designed it with "anti-viral" as a motive, but instead as a way to weed out and isolate people with contrarian thoughts.
A lot can be learned working with average engineers. You shut yourself out of a lot of jobs by avoiding average and will be probably screwed if the "above-average" places consider you an average candidate.
"Any tech company" was probably an overstatement, companies like Apple and Google are much more grounded in valuation compared to companies like Amazon, which had a PE ratio of 85.99 in 2018 [0].