Yes, that's also certainly an option. Still, it seems to me that a lot of people still can't really think in terms of space only infra and "a hight tech city, b

Yes, that's also certainly an option. Still, it seems to me that a lot of people still can't really think in terms of space only infra and "a hight tech city, but on Mars/Moon" gets them to a more familiar context. So I think it makes sense to talk also about surface bases, to get more people on board, even if those are potentially quite inefficient.