It’s a combination of books, news sources, and some formal education. I was lucky that my highschool still heavily invested in humanities before I went off to a stupid ass tech collage. Beyond that I am constantly researching things because I’m weird. So when people pull up reasons that are fairly well documented quite literally easily sourced on wikipedia of all places it’s incredibly easy for me to remember and reference them.
Yeah this is a read on power that’s made by babies and libs.
“They said the magic words that made the law spell work. Why can’t you do that America???”
Yoon’s coup failed because he failed to secure the centers of power (in SK this is literally the chaebol families) in his corner, not because the Parliament did a ritual.