>Walkable, safe and cheap places with good internet have a lot to gain (e.g. Portugal, Thailand). Unsafe or expensive cities have a lot to loose (e.g. San Francisco).

Won't this be a large obstacle for remote work? More expensive places are going to hold on to people tooth and nail. There are plenty of ways to do this, eg explicit regulation or tax complications.

When Bulgarian truck drivers started outcompeting French truck drivers the EU pushed through new regulations that required the drivers and the trucks (!!) to visit their home country at least every 2 months.[0]

>The most controversial measure is an obligation for trucks to return to their country of establishment at least every eight weeks

I think political entities will fight a lot with dirty tricks like this to keep the tax revenue and employment in their jurisdiction.

[0] https://www.politico.eu/article/trucker-rules-europe-logisti...