Exactly alot of people don't think of things the way we do. They don't think about all the behind the scenes work that goes on. What's required to operate a wireless network. People look at it as if its a infinite resource.
Hell, I don't use 50gb on my home WiFi network that has at least 10 connected devices. Plus all the family that comes over that has my SSID saved in their devices.
Sent from my Nexus 6