In the video, SCEA marketing suit John Koller claims that Sony had much bigger ambitions for PS Vita than simply creating a "PSP2", and so it banned discussion of alternative mobile devices and portable gaming platforms.
We left all that in the past, Koller revealed. [Vita] is kind of superseding the market with an entertainment experience.
The documentary is obviously a promotional piece, but it's not offensively so. And if you're interested in Sony's new platform, it's definitely worth watching and learning about how the system came together.
Catch the video after the break, or on the PlayStation Blog.