“* The Nintendo Switch 2 dock will request 3 A at 20 V from the point of connection, whether it is planning to use that power or not. * This is in contrast to the Antank dock which will request additional power only when the Switch 2 is turned on and requires additional power. Arguably a better 'citizen' of the USB-C PD specification, potentially bringing your electricity bill down by a few cents”

Why would this bring your power bill down? Isn’t that always going to be calculated on the basis of kWh actually drawn?