> There's an argument that Internet Service Providers should be able to charge a metered rate based on usage. I'm not sure whether I agree with this, but in principle it seems ok. That's how we pay for public utilities.

I can monitor and control the power usage of my electrical appliances.

I can control outgoing network requests from my networked devices.

I cannot control what is sent to my network from the outside. It doesn't make much sense to be charged for what someone else sends to me. Even if I shut off my network device, a particularly rude service might just continue blindly sending data my way, running up my costs with no way to opt out.

Typical postal mail delivery is paid for by the sender, not the recipient. It becomes complicated here.