Maybe they got hacked again by the Anonymous! They're putting on the maintenance message to save face! --- IF you like JRPG or Pokemon, go do youself a favor and play Ni no Kuni: Wrath of the White Witch
Sony is incompetent... simple answer. There is a reason why Sony had a multi-billion dollar deficit reported last year.
There is also a reason they are a multi-billion dollar corporation to begin with. But morons forget about that. If incompetence builds mega-corporations, please let me know the name of yours so I can invest.