>>58061850These both probably cost billions to create and can house what, maybe a few thousand people at best? And I imagine are still reliant on resources from the mainland.
Even if we accept that Pokemon towns and cities aren't to scale Blueberry could hold 3-4 SV-sized towns only if it sacrificed the amount of wild area which something tells me eco-terrorists would not be willing to do, let alone an entire society that clearly values harmony with nature.
Groudon is by far the easiest solution to what Magma wants to do. It could create a thousand times the habitable space of both those installations combined in a few hours, for free, with fully natural terrains and self-sustaining natural resources. Comparing the two is laughable.