ICANN seems to have a representative multi-government structure that is robust against any particular government having unreasonable influence. If a few Sundes get crushed in the gears so be it.
The US tech giants are beholden to themselves and control a scary fraction of the internet's infrastructure. They are starting to flex their muscles in regard to what should and should not appear on the internet. As far as political threats go, that is where they will materialise. Or in governments copying China's strategy for engaging with technology.