Life seeded could do with a little bump.Among the reasons is that you get almost the same bonus to production on your homeworld from taking Prosperous Unification.
"Gaia World terraforming option"
I feel like them starting with the terraforming option to gaia worlds would allow them to catch up trough the mid game. You'd still have to rush terraforming techs though. It'd keep them distinct from Voidborne and Ring world starts if they have this clear path without having to take an ascension perk.