1.) There are still games coming out that will only be available on current-generation platforms.
Some people assume that all of the unreleased games coming out soon will be available on both current and next-generation platforms. However, popular games like Lightning Returns: Final Fantasy XIII, Dark Souls 2, and Castlevania: Lords of Shadow 2 are just one of the many examples.
Sometimes it's easy to think that they'll be available for the PS4 just because their release coincides with other next-gen games.
