Overall, this creates a relatively fast pop bloom where normal growth and solid organic growth combine to subsidize your colonies in a fraction of the time. Put on Social Wellfare, and your unemployed pops will produce some much-needed unity while they wait. Or you could let your homeworld auto-re-settle. You can't build the Employment center until a colony is size 10, and they count as a citizen species, so moving the pops will generally require 10 unity and 100 energy. It produces +2 bio-pop assembly, but by default the pops it produces are zombies. With an upkeep of 2 food, 2 energy, and 1 CG instead of 2 alloys and 6 energy, it's much cheaper to run.

Permanent Employment gives you Posthumous Employment Center, a cheaper robot center that builds worse pops. Now for Ethics, do NOT take Egalitarian, and you'll be able to take the new 'Permanent Employment' civic. Take the Budding trait, throw on some minor penalties like Weak and Deviant, and Take Thrifty for trade. So, if you haven't tried it yet, give the Unity Beta a run this weekend, and go down a MegaCorp lane build with a Plantoid or Fungoid. It's really simple: Budding (Not) Zombies

How to play stellaris robots