I had already looked at the pbs article. That is not an academic article that has proven, historic sources. That is someone repeating what has been said elsewhere. In other words, it is hearsay.
The article on the UC website is written by someone who obviously believes this, but offers no hard evidence.
There isn't one link to any sort of study. What she says is interpretation.
Let's use her methods with reference to ancient Greek culture which believed that there was a god called Thor who used a hammer. That does not mean there was a god called Thor who had a hammer. Belief in something is not evidence of its existence.
I don't have time to research every thing the author of the UC article mentioned but let's look at the word 'waria." She is intellectually dishonest.
Here's an article - as you can see, it's an opinion with no hard, scientific evidence.
https://www.insideindonesia.org/defining-waria
Just because something is inside someone's head doesn't mean it's real. And that's why I think there is some sort of mental illness involved.
There are people out there who believe that they are Jesus Christ, clairvoyants, and a multitude of things. That does not mean that they are.