Why did Naoko count down?

Why did Naoko count down? The reason is that Naoko attacks the scientific and technological elites on earth by manipulating the observation results of human beings in outer space, making them suspicious, confused and helpless, shaking their belief in science and undermining the confidence of the people on earth.

Naoko moves at high speed on Wang Miao's retina, showing the countdown. In order to drive Wang Miao crazy, three people were afraid of the development of nanotechnology in Wang Miao, so they prevented three people from invading the earth (weaving a nano protective cover outside the earth). When Naoko saw Wang Miao turn off the nano-machine, Naoko would leave Wang Miao because Naoko realized that Wang Miao was no threat to the three men.

The ideological theme of Three-body;

As a technomaniac, Liu destroyed and transformed his planet again and again in his novels. Mankind struggled under his eyes, trying to find the last glimmer of hope in his cold rational thinking. Liu obviously punctured some warm dreams that people took for granted in Three-body. Common sense and logic are either invalid or distorted in Liu's novels.

However, I have to admit that his unique coldness as a technocrat has extraordinary attraction. More importantly, his wild imagination may accidentally touch the core secrets of mankind.

Liu's three-body novel seems to be the first time to describe the end of mankind so heartily. This time, he completely sank into the doomsday scene, found strength and beauty from it, and realized the depth of human tragedy.