the same way that 47 years after it's construction, The Beast is still a top 3 (maybe even 1 or 2) at KI- and is usually featured on a majority of their marketing pieces. It always has a wait, high on guest reviews.... and that popularity has endured the pandemic, droughts, hot weather, terrible summers, bad ride attendants, GMs, and countless recessions.
It is a a textbook definition of a "Great Coaster". It is remarkable, out of the box, and not available anywhere else. People come, sometimes specifically, to ride the legendary Beast.