Without Draco and Hermione, he would still be under Ginny's influence. When she saw Draco's wings and figured out what they meant, she tried to potion him too. Harry was wealthy and famous and Draco was famous too, but he had even more gold and, according to Ginny, was better looking. Let's not forget he's a proper pureblood wizard. Even though Draco was a lot of things, he was still technically part creature and not a pureblood in the strictest sense of the word. But oh well, like Hermione always said, the wizarding world lacked some common sense. 