User blog comment:Saratje/PC release date explained - Skyrim: Dragonborn DLC/@comment-174.59.73.113-20130103225436/@comment-5945396-20130104100459

Making money is what matters to these companies and they would much rather cripple competitors than learn from them as co existence is not as profitable as having the monopoly. Its a case of 'Why share when you can have it all.'