The threat isn't not watching Game of Thrones. The threat is not being permitted to own and modify open general-purpose tools at all, because they happen to be able to play Game of Thrones.
Correct. And even if copyright disappeared completely, GoT would continue to be made: it costs $50M/series and I'm sure they could crowdfund it with 5 million people handing over $10 (or some other multiple).
I didn't know being able to watch Game of Thrones 30 minutes after it airs on HBO via your computer without paying was such a dire thing.