I also don't see what the ISO has to do with it in this case, the authors gripe is with YouTube. Regardless of their ISP, this could have happened with YouTube.
If you want to share politically sensitive content, I think it's fair to say that YouTube isn't your friend.
Regarding solutions, there are plenty of solutions for sharing video that will never result in content being taken down. thesr methods don't offer the same visibility or discovery that YouTube does, which is why they're not as popular.
If you want to provide a censorship free place to host content, you better be prepared to fight a very difficult fight. Where do you stand on copyrighted content, on illegal material (some of which may be legal in some countries but not others), distasteful or offensive material?