Although the Chronicler had died out, the most data it left behind was technology, all kinds of technology that helped civilization survive.
Among this part of technology, the most basic technology was not needed by Li Wenyuan.
However, there were exceptions. For example, the technology he was going to use:
[Wormhole generator (Chroniclers)]
[Technology level: 0]
[Introduction: This is a path that has never been imagined. We have never thought that we could solve the huge energy required to create wormholes in this way. This is enough to be called a major technological innovation. With this wormhole generator, we can create a wormhole channel in any observable galaxy within a certain range to achieve superluminal travel similar to a simple stargate.]