Earlier quoted context omitted.
Did you understand the comment you replied to? The DMCA is not just about direct copyright infringement, but also about preventing the circumvention of technological protections for copyrighted content. No one is saying there was copyright infringement here. You can think that this is super bogus (I sure do) but make sure you understand the nature of what you're mad about. ;-)
Blocking a domain does not circumvent any copyrighted content distribution It's like saying that turning off TV block the distribution of GOT hence is a tool to circumvent HBO copyright
As for your TV comparison, the better comparison is probably with satellite TVs, where you are just decoding signals being sent to you anyways, and if they don't want you watching those signals, they shouldn't send them to you. It's not the same, but it's far closer than your comparison.
Note, I'm not backing either side with this post. Only explaining the argument so you have a clear understanding of the issue at hand. Whether you agree with it or not is immaterial, but understanding the rational is important.