•Why it earns a slot
Why it earns a slot: the title story takes "in the country of the blind, the one-eyed man is king" and proves it false in every particular, showing an advantage means nothing to a society that has already optimized around a different sense.
A sighted man falls into a hidden Andean valley certain the old proverb will crown him king, and learns an eye is worthless to people who rebuilt every sense but sight.
This distillation is written from the freely available original, which is always the better read when you have the time: Project Gutenberg.