I find myself having to agree with your overall assessment. While, in the past, I have had my TV connected and kept forgetting to disconnect it; it seemed that, if I didn't have it turned on, it shouldn't be using any data. Why would it? It's off. Nevertheless, I disconnected it today and the only other devices that are connected leave the router range when I leave; so, we'll see what kind of difference it makes. Meanwhile, what remains unexplained (and perhaps inexplicable) is the reason my pre-cap speed is no faster than my post-cap speed. Even the day after the allotted data amount has been restored, I still have to wait for things to be loaded, searches to be completed, and other speed-related functions to occur in a timely manner. Btw, the usage experience wasn't much better before connecting the TV either. Both before and after that connection, the usage was, on average, higher than when I used a different provider. At that time, the TV connection was included.
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