It`s simple, you are earning money from playing games, why to not be addicted and play it a lot?
That's simple because they mindset is play to get money not for fun, even you play more than 10 hours a day if you play games for money it's won't to make you addicted, all is because the mindset, when you got addicted worse things will come to you.
If you want to know you got addicted or not, read at this articles and evaluate your self.
https://gamequitters.com/video-game-addiction-signs-symptoms-causes-and-effects/