Private economy contributes to security, learning and health via police, schools, sewers. In a crisis I am happy these private assets exist. I almost never experience a longer episode of calm to have the time, money and colonists to power more than one colony.
What I do, is eyeballing closely if the privates do build on my precious resources I want to mine myself. I buy them off as soon as I can afford mothballing or setting them to 25% productivity and thus controlling the market prices a lot. I rarely sell off excess resources, but when I do, I make big money.
As the civ level rises and the cities grow I can snowball off into an administrative avalanche. High civ levels attract more people, so more recruits, workers, tax payers.
As write this, I wonder if I did understand you wrong(?).
The logistics hell this game is IS the fun part! - Maerchen, 2020
The good thing is, we have all the information in the reports. The bad thing is, we have all the information. Maerchen, 2020
Came for SE. Will stay for SE.