It unlocks traits, minor factions, population points, and more to give you the means to access things, see how they sync up, and test the fullest features of Endless Space 2 out with relative ease. Uninstalling The mod doesn't add any scripts, it just overwrites the … The times this happened to me always seems to target my original colonist(s).
Gameplay affinity do not cost points but they set the pool size of points available for Traits. Never mind it being brought in either through a creation choice or from new colonists.