Every time I hear this argument I ' m always amazed that people seem to think building pressurized heated living spaces is somehow more difficult than building a floating city . <| sep |> I ' m a bit older than most here on the sub but believe me , the Schaeffers were evangicial royality in the 197080 s . They wrote several books that were considered mandatory reading for all evangelicals including , the God who is there . Now Frank describes himself as an atheist who believes in God , but he is mostly anti everything about the Christian church , esp . in America . <| sep |> I ' ve yet to find someone that has anything , never mind anything substantial , to counter my opinion that it ' s not an economic issue . You can try though .