There's nothing dangerous about it. Either you think a paid service is worth paying for or not. That's what all of life is about. And if the danger stems from the fact that they are monetizing a service, they are a publicly listed company, not a charity.
You guys need to step away from the deeprooted belief that Blizzard is a service provider for whatever service your heart desires and since they exist for the sole purpose of serving and pleasing you, that service should of course be free.