These pumps are great if you want to accentuate your legs or boost your height, but what if you are a very tall woman who wants shoes that make her appear shorter? Somebody should make a boot that digs a small trench in the ground you're walking on to knock you down a few inches.
So ... this writer is male, and has to admit that he didn't really know what "pumps" were until he had to write about them. He has heard people talk about them all his life, but he never bothered to check on what they actually are. True story.