He just needs to face reality, to have the "peak" level of viewers/subscribers, you have to be solely devoted to playing Fortnite and streaming the most time you can, otherwise if you want to live your life comfortably and retain sanity, you have to less, and sacrifice not getting subscribers and being "on top".
Any way, it's not like he is working like this and barely make ends meet, it's just perpetual wealth accumulation, he could've retired a long time ago already.
I work 8 hours a day as an engineer, he works 10 hours, and for those 2 extra hours he earns way, way, WAY, more than I do. How is his life any more difficult than anyone else working? Many people have to work the same, or more, and barely make it every month. I get that streaming is part entertaining others than just playing a game, so it can be tiring, I don't dismiss that, but come on it's nowhere near the level of stress and tax on your body and mind working jobs like emergency services, engineering projects with dead lines and dealing with clients who have hundreds of thousands of customers or government systems that depend on your work and time.