Remember that we the customers GAVE them that power. They are allowed to do whatever they want with it. People here complain that they have so much power while wearing an apple watch...
I don't see Apple watch buyers signing up for implicit monopoly practices (or whatever epic's case is) because they wanted a shiny thing they saw in an ad.
I didn't sign up for coke's anti-union movements in south america because I like fizzy sugar water.
I didn't sign up for coke's anti-union movements in south america because I like fizzy sugar water.