Earlier quoted context omitted.
Exactly! I have to have a kettle for other purpose (including heating water for other mugs than mine), and no self-heating mug is going to be as efficient as a kettle to heat water. Furthermore, I also put cold or room temperature liquids in my mug. With a self-heating one, I would be carrying the heating parts for absolutely no reason. Same goes for a TV. By keeping things separated, I can decide what I do which eac…
But like, a coffeemaker is a thing. You can make coffee with a kettle, but if you are making enough coffee often enough, it does make sense to bundle a second kettle into a dedicated coffeemaker, even if you are reducing the functionality of it by doing so.
But as a "power user" of a TV, I want to compose my own setup.
In the same way, "power users" of coffee don't use a coffeemaker. They use things like French press.
(I use instant coffee myself in my non-heating mug so in this comparison I would be the person not owning a TV and watching everything on their phone?)