They have "clarified" elsewhere on here that the normal citizenry get a legal exemption [waves hands mystically] somehow, and that they're only blocking people when they legally have to.
Obviously (to the rest of us) if the agreement says otherwise, then they're saying that it's LE that is forbidding the citizens of these countries, and it's not (entirely) the government's fault, which completely contradicts what they're trying to say.
We should probably be clear that this document is most likely a backside-covering exercise; it exists so that people can't sue LE for denial of service without a just cause, and so that the US can't prosecute them for intentionally shipping cryptographic services, or some such rubbish.
If you live entirely outside the US legal system, or its multifaceted tendrils, and if you don't make too much noise, you may be fine. Obviously that's a far cry from a "right to free speech" level of protection, but then LE have no obligation to provide that to people outside the US, and arguably non-rich citizens within the US lost that a long time ago.
"Somehow" is addressed in my comment: https://news.ycombinator.com/item?id=48479348