Why does the World Health Organization promote TCM?

A news report in Nature magazine answers a question that many scientists have been asking recently: Why does the World Health Organization promote Chinese medicine?

It is understandable that China is keen on promoting TCM for economic and cultural export (political purpose). Why does the World Health Organization promote TCM?

One of the reasons mentioned in the article is: In fact, the World Health Organization has always been interested in all traditional medicine in the world, because traditional medicine is often much cheaper and can help the World Health Organization achieve the long-term goal of universal medical security more quickly.

The World Health Organization discovered for the first time that its goal can be solved in a huge and convenient way.