More people sign on for the earworm “it’s a small, small world” than for space action on any given day.
It’s long, there’s a big boat involved, and a lot of people are cycling through the ride at any given time.
That’s because it literally fits a giant boatload of people each go around.
Granted, if you’ve ever been to Disneyland, you should know the iconic It’s A Small World often has one of the shortest ride times in the parks (except generally around the holidays, when the ride re-themes).