Sub-forum? This is the main forum for Civ5With the exception of some very loud whiners in this sub-forum, the reception of the game has been mostly exceptional. What's the problem?
"Exceptional reception" is very relative when you dig into the sources.
Most of the reviewers giving it high marks have had no contact with previous versions whatsoever and ALL the reviewers with that experience give it "meh" ratings.
Polls both here and on the fan-boy central forum, aka. 2K Civ5 forum, have 25%+ of responders giving it a "meh" or "thumbs down" rating .. a full quarter or more of people buying a product and being dissatisfied with said product is bad news for any company.
After they patch the bugs we are left with a game that is not nearly as engaging or challenging as previous versions were, simply because its built like an interactive cinematic ..