Should Sony buy DQX 4 Vita?

[Kynes]

teigaga said:

Kynes said:
And selling cheaper 16 GB memory cards for the Vita, as they are mandatory to play this game.

PSV+ DQX+32GB Bundle? 

Why on earth does it need 16GB :/ 

Patches? It's a MMO, they will make expansions and patches for it, and Wii only has 512 MB of flash memory.