For most people, when a short story exceeds 7,000 - 8,000 words, it could be considered too long. It should be concise and focused to maintain the essence of a short story format.
A short story is typically considered to be anywhere from 1,000 to 10,000 words, but it can vary depending on different definitions and literary contexts.
I haven't read this story in detail. But generally, the title might imply the presence of different characters or elements with varying lengths or heights, which could be used symbolically to represent differences in personalities, statuses or other aspects in the story.