Of course the exact same criticisms came up for Civ 2, Civ 3, and Civ 4 so I shouldn't be surprised I guess. Its not like they completely ruined the game (looking at you MOO3 and Simcity Societies). Personally I think the changes and design decisions were very wise ones. Yes it is not complete, but only 5% of games are when released these days. Budgets are too tight, development cultures too corporate, and patches/expansion too lucrative. Mainly the AI needs tightening up, but that is true of every single strategy game I have ever played. There are also a few nonsensical things with the tiles, and the tech tree, and a little balancing of great people is in order but overall I think it plays great.