Whenever scifi invokes the "infinite number of parallel worlds" trope I become much more cynical about all of the subsequent events. "Will he reach the airlock

Whenever scifi invokes the "infinite number of parallel worlds" trope I become much more cynical about all of the subsequent events. "Will he reach the airlock in time?" well there's an infinite number of him that do, and an infinite number which don't. And an infinite number where he's a banana. The only question is which outcome the writer has decided to show us.