This thing strikes me as being dishonest as a three-dollar bill.
Look, the Book of Acts tells us there IS a time when God's law trumps man's law. When the Sanhedrin demanded that the disciples stop teaching in the name of Jesus, they made the statement that whether it is right to obey the laws of men rather than the laws of God would have to be decided by each person-- but as for them, they couldn't stop preaching of what they had seen and heard.
This is not that. This is using questionable means in order to acquire land. Land which will pass from your hands into another's upon your death--- so, like everything else on this planet, you don't get to keep it. Pulling some shenanigans to get the land may seem attractive, but in the end it will hurt you.
I don't think there is a law against a citizen married to a foreigner paying the money to buy land. It's just ownership is fuzzy and the person might lose the land if there were some kind of legal battle. Like I said I'm not an attorney. It seems to me one of the old laws seem to imply a spouse can own land. One of the cabinet ministers, if I remember right, issued a decree clarifying that ownership was allowed in the case of a pre-nup. What I was saying is that if an already married couple got a pre-nup and had another wedding overseas, they could argue that counted as a prenup (which is risky and they might lose their land.) I don't know all the court-cases on the issue.
Would I like to be able to buy property there? Yes, I would. If something happened to me, I'd like my wife to be able to own a house somewhere. I guess I could get her an apartment, but that's a lot more money and it's only available in the city. There are also some investments that are good for freehold land that don't work well with airspace. She couldn't own anything in the village. I would also like to start a university someday, hopefully a Christian university. From what I've heard, their version of a 'nonprofit' is rather messy and was kind of in flux, legally, when I was there last. Owning land outright is another way to go. If it's set up as a corporation with partial foreign ownership, I'm not sure if land ownership is feasible.
When I brought up the topic, I was curious if some people thought that it would be okay to divorce and remarry for either tax advantages or to own land. Honestly, I'm surprised more posters weren't for it, but it's good to see where people's boundaries are in their beliefs. I wouldn't divorce over either, and I think I was a little unclear about the land ownership issue in the OP and cleaned up my message.
I don't think it is wrong to have two wedding ceremonies though, and if the law over there would accept that with a pre-nup in between to own land, I don't see that as unethical. Realistically, buying land on the assumption that government officials would accept that is a foolish risk, IMO, if nothing else. It could be 'unethical' in the sense of being poor stewardship. It would probably make more sense to find some contacts who know one of the cabinet ministers and get the expat community to lobby for a decree to clarify the government's position on the issue, though.