It seems Blake AI become even more remote from human player then befor. Main reason is him ignoring AI's grow city bonuses. It first become noticeable in Warlords, when AI start to build cottages everywhere, but still grow its cities to size human player can not hope to achieve to the end of the game on max grow. So, when ones cities are still size 2, AI suddenly has size 7 cities. That made military strategy extremely effective, as of result of conquest human player got cities he can not in principle build himself. AI does not need farms, as it can grow with out them. So, AI does cottage everything. Human player take this cities with already big size and developed cottages. Simple, AI got a huge grow bonuses. But in Vanilla they just compensated bad workers and city government AI. In Warlords workers and government AI were improved, but grow bonuses left untouched, creating this situation. Now in BTW situation become mach worse, as grow bonuses now apply to production. IN Vanilla/Warlords AI did not used Whipping/drafting. In BTS it does. AS result instead of Vanilla/Warlords AIs 0-30% production bonuses, in BTS AI effectively have 100-200% production bonuses, making it impossible for player to compete with AI in area of production in principle. The only thin that limit BTS AI unit production is upkeep. But still, because of grow bonuses AI can afford to put mach more land to cottages, instead of farms. So, AI simply has more commerce to use. Bottom line, AI abilities now made it mach less compatible with human player then befor. That making AI when different (which is good, so not to keep game stale), but actually worse, in comparing with human player.