That seems like a pretty low bar for "almost impossible", as I would expect most HN readers are both 1) highly educated and 2) single, and so the two avenues yo

That seems like a pretty low bar for "almost impossible", as I would expect most HN readers are both 1) highly educated and 2) single, and so the two avenues you mention are amongst the most accessible to them. There are far more difficult places to gain citizenship (e.g. Liechtenstein, China).