That red tape was installed (in North America) post-Five Mile Island however.
South Korea is also very capable at building these quickly, though I've heard concerns raised about their safety (grain of salt, I have no opinion myself).
China does not build nuclear plants in two years. In particular when China starts the clock on building a plant is not same as when the clock is started in the West. In China, there's already concrete and steel in the ground at that point.
Also, the plan described there is an addition to take steam from an ALREADY EXISTING nuclear power plant.
South Korea is also very capable at building these quickly, though I've heard concerns raised about their safety (grain of salt, I have no opinion myself).