Earlier quoted context omitted.
The article mentions that Tyler makes $300k per year in merchandise alone (so excluding any actual sponsored content). Frankly I don't get why this can't be seen as a legitimate very successful business. Where is the line? Is entertainment only valid on TV? YouTube? Some commenters here even said that it's all good now but that it won't work in his thirties or something as if there aren't a ton of jobs out there that…
Not a real job is a quite good stance to take. Because there is an absurd power law at play here, the absolute top make a lot of money. In a "real job" you are paid a living wage, on twitch you are paid scraps if you don't make it to the top.
But no, it's not a 'career' I'd recommend to anyone. The net expected value of becoming a local theatre actor is significantly better than Twitch...