The STEM people will just need flashy robes, long grey hairs and market themselves as the magicians that can read the runes, command to the machine spirits of yore, and make the food grow. It's good fun to pester the nerds until the wifi is down.
Fantasy lit is full of stories about the good people rebelling against the evil wizards and their machinations.
Luke fighting Emperor Palpatine? What does Luke or any of the Rebels know about managing an org of Peta-scale population? Or what myriad threats to the galaxy the Emperor was handling with his century of experience, network of millions of loyal agents, and vast magical ability? I'm sure that will all be fine.
The emperor wasn't doing such a great job holding the galaxy together as a political unit, there was a successful overthrow of his rule after just a couple decades in power.
Reminds me of the book "The Last Ringbearer". It tells the story of "The Lords of The Ring" from the perspective of Sauron, Saruman, and the Orks. Turns out, Mordor was a nation in its early industrial stage, of people putting science before magic. Fanatics against science genocide them while painting them as monsters.
