Yeah… Civ 1, 2, 3, and 4 were all good - for different reasons. Civ 5 was where the design decisions stopped being about gameplay and started being about maximising profit. Making the game functional and fun was lower priority to making paid DLC. Players buy the buggy and unfinished game… then pay more to fix it piecemeal with the DLC. Such is the power of brands and advertising.
I find Widelands to be slow and relaxing; but also challenging and engaging.