It can still be expressed, of course. It's just that it wasn't particularly a reply to its parent and took the discussion on a generic tangent (U.S. = world police) that is also a classic flamewar topic. We don't kill such subthreads, but we do move them.
I can understand why you don't see it that way and wouldn't claim that our decisions are all obvious or all correct. They're imprecise judgment calls.
The court's decision hurts the internet, hurts small companies on the internet, and hurts the ability of the United States to fight terrorism.
I may not have worded this opinion particularly well, but it's ridiculous that my comment cannot even be expressed.