Comment by pas

Because it triggers the "feeling of other" when someone is so close yet so far ideologically.

I'm sure you know this joke about dogmas :)

https://news.ycombinator.com/item?id=26624442

In some sense this is the same as the NIMBY/YIMBY question. There are perfectly valid reasons to want to live like Spacers do on Aurora, yet many prefer the caves.