Other words are bad because they’ve been used in a negative context and many people have a bad association with them. It could be that someone overused a word around you, perhaps at work, or someone mocked you in school using specific words that can’t be erased from memory. Lastly, some words, just by their structure and letter usage, sound traumatic.
Will the book leave you feeling our language is feted or corroded? Or will, it help you see the pulchritude of English? You decide.