Logistics.
Jonathan Thorpe
171

Such a cloud colony would likely be constructed in Earth orbit, and then launched to Venus, not built from the materials on Venus’ surface. Once there, it would be largely self sustaining using the materials within the atmosphere (Sulfuric acid for both water and O2, sunlight for power and food). Secondly, atmospheric rendezvous aren’t that complex, and are done regularly in practice today with air-to-air refueling techniques. Finally, she’s not trolling, and if you’re interested in the more technical aspects behind a floating Venusian colony, here is an article I wrote about it several months ago.