I learned a long time ago that some people would rather die than forgive. It's a strange truth, but forgiveness is a painful and difficult process. It's not something that happens overnight. It's an evolution of the heart.
Draco's not really a bully. He's not exactly the biggest, strongest guy in the world. He's more a rich, snobby person. He thinks of himself as really cool.
The Lord made Adam, the Lord made Eve, he made 'em both a little bit naive.