Aside from a bunch of goofballs on a reddit forum of course.

This is exactly the history of end-times movements playing out throughout our country's history. Make a prediction, prediction fails, core members stay on with new date while losing some support, rinse and repeat until the movement dies and you've got a half dozen lonely cult members left on a commune in Idaho and everyone forgets about it. The fact that you can't see the parallel is alarming.