all generations have had this shit, but as i have been saying for the last 6 years, internet enable this people to form communities that reinforce this insane behavior back in the day these people would need to go to insane lenghts to find out such info and barely get what the media let them know of the stars, besides getting that crazy over a group used to be frowned upon while now they dont need the aproval of their real life friends only the ones on twitter,since stuff couldnt be just shipped from the other side of the world you couldnt just indulge in this weird stuff if anything…K Pop is just modern Otakus

Cr1tikal explains it pretty well in this vid: