GTA IV Episodic Content Confirmed As 360-Exclusive

OK, no, it wasn't a mistake: GTA IV's episodic content is going to be a 360-only affair, a Take-Two spokesperson has confirmed.
The statement, given to Gamesindustry.biz, reads:

The Grand Theft Auto IV episodic content is exclusive to Xbox 360.

I am speechless.... sony WT* ?