EdB Prepare carefully should be integrated and unlockable after certain pre-requisites are met in a similar way to ship B and C is done on FTL.
E.g launch 10 colonists into space.
Have a colony survive 6 years.
Attain 10,000 silver in a game.
Obviously the game wasn't designed with fully customisation in mind, especially on the first play through a but I think sooner or later everyone wants to recreate themselves in the game.
Nothing wrong with it being a mod, but it always adds more value to something if it's vanilla.
Sorry if this has been suggested before which I imagine it may have in a slightly different circumstance.