We have decades of examples of how this works out for pro athletes. The answer is that there's a range of outcomes: some have to find new careers after their playing days are over; others find ancillary work (coaching, scouting) in the sports industry; the very best make enough money that they don't need to work anymore. In many cases, the athletes have a college degree of at least some value.
Professional video game streaming is relatively new. It's a valid question.
It's a valid question, but the answer is simple: nearly the same thing that sports players do when they stop being the player. They either coach, manage, promote their brand, or switch careers.
Professional video game streaming is relatively new. It's a valid question.