Agreed. Para-terraforming is a criminally underrated concept. With "terraforming" you'd have the problem that dozens of generations would have to work their pr

Agreed. Para-terraforming is a criminally underrated concept. With "terraforming" you'd have the problem that dozens of generations would have to work their proverbial asses off without ever experiencing the fruits of their labour. Not exactly a strong suit of the human race. Another advantage of the world-house approach is the possibility to leave sites of interest as-is by not including them. With terraforming it's impossible to preserve select areas for scientific or cultural reasons.