I mean, depending on the book, you have already accepted a number of ridiculous premises by real-world standards. It’s surprising to me that “and by the way, it interferes with or can be used to disable various kinds of technology” is where you would decide to roll your eyes.
Ah yes, the good old solution of every contemporary fantasy world.
“modern technology just doesn’t work”
I mean, depending on the book, you have already accepted a number of ridiculous premises by real-world standards. It’s surprising to me that “and by the way, it interferes with or can be used to disable various kinds of technology” is where you would decide to roll your eyes.