Bomb making instructions are available in books on the iTunes Store. https://itunes.apple.com/us/book/u-s-army-special-forces-gui...
In general you can legally publish pretty much anything in the USA besides child porn or copyright infringement, everywhere else has stricter laws though.
America is far from perfect, case in point the Red Scare, Japanese interment, civil rights atrocities. But that's not the issue. The issue is the tech companies specifically are forces that span the globe and those decisions and the ethical stances WILL and DO spill over into all societies they are apart of. Just look at oil companies, our desire for cheap oil and their desire for our money has driven wars, exploitation, corruption, etc.
It's easy for first world countries to ignore that because it happened else where, with tech companies though, those decisions leak into every country. Those policies are applied across the world. Apple's and other tech giants' stances on following the law regardless of morals and rights is applied everywhere. If that same law was here, they'd do it here.
That's the issue, not whether or not someone is putting medical information or classified information up for sale.
As far as what the specific question is - what has Apple tried to publish that the US tried to publish, the answer is the same with regards to any of the PRC's giant domestic corporations vis a vis China. None of them tried to publish things blocked by their governments.
It's an odd thing to say amidst Assange's extradition, to bipartisan celebration. Of course they will get him for some technicality, as opposed to the attack on WikiLeaks - China is just less hypocritical about such things.