Originally Posted by HarryT
Publishers don't always do sensible things. Remember that J.K. Rowling had to use a vanity press publisher for the first print run of the initial "Harry Potter" book because she couldn't find a commercial publisher to take it on.
Harry Potter and the Philosopher's Stone was originally published by Bloomsbury. Although as I understand it, the manuscript was rejected by many publishers before that, so your intent if not your facts are correct.