He told Wozniak that they had made $500 on a sale but in reality it was 5000 and he kept the rest. He refused to recognize his daughter for along time. He refused to give stock options to a lot of very early employees. Wozniak then made a up for it.
He was a jerk. Especially the story about his daughter is plain evil. At some point you have to take responsibility for your actions.
Because the majority of the coverage about him has been praiseworthy, given his business success. Now that he's dead, criticism of him will come off as axe-grinding and bitter.
I think it's good show all facets of famous people, especially their dark sides. There is a tendency to glorify them and then think they are great people in all areas. Most times they aren't.