[dionidium]

> “I can think of many armchair theories as to why, but it's not a simple question to answer.”

My guess: tools that make it easier to live wherever you want disproportionately benefit the places people most want to live.

[analog31]

I think there's a lot of merit to this. The Internet has not made location irrelevant, because many other things still make location relevant. Drawing only from my own list of preferences, there are things like climate, proximity to family, access to outdoor activities, culture, social outlets, crime rate, the transportation system, and so forth.