If people like him being fake, let him be fake. You're more than welcome to hate him for being fake (I do as well), but apparently his fans are digging it. Nothing you can do really, they'll get sick of fake acting eventually.
Now if he was doing a game he didn't like because the fans begged and prodded and poked and threatened to unsub if he didn't, you might have a point. I would never cover a game I didn't like just because someone in my viewerbase asked me to.