Well, the main aim of this topic is not to make a discussion of why techs trees could be filled. The aim is making a collective resource for devs or modders, if they want to augment the number of units of units for civs, reducing the uniqueness of the rosters, but making them easier to balance (I'm for a asymmetrical balance, and the difference could be done in other ways, but as I said, focus the thread into filling the rosters). I'm not saying that we should add or not this units. At first