Not to mention that older folks who are anxiously awaiting The End do so because they feel so disenfranchised from the present-day “system of things” (sorry)…
…it’s increasingly strange and unfamiliar to them, constantly changing at a rate they can’t keep pace with, and the media seems to go out of its way to report bad news at an unparalleled rate (sometimes, I think, to deliberately and constantly scare the shit out of as many people as possible).
However, more recent generations are, for the most part, perfectly comfortable with the modern world and how it works, their bullshit detectors function better, and they don’t find the prospect of everything being swept away in a Biblical apocalypse all that positive…
…along with religious ideologies that subscribe to that.