The second town was a 70 MB download. Not 3 GB. Unless the person who wrote the quote likes to exaggerate enough to ruin their own arguments, the reviewer version of the game was different.
Well, not owning the game and all, I figured the guy who reviewed the game via that link knew he was talking about. Or that he had some special reviewer version of the game. Actually, the 'reviewer version' makes some sense, as those have the best chance of becoming a pirated copy (unless the company puts unique codes inside each reviewer copy that's let out).