1 I wouldn't worry too much about speculation based on unreliable sources. Even if some people love that.

2 On the other hand, there are a wide range of things that could happen over (say) a 1 to 30 year time horizon.
(i) Any expat living anywhere on the planet could be forced to leave. Over the last 50 years, we read of everything from recent massive increases in income requirement for expats in Malaysia, to countries expelling foreigners. The latter is perhaps lower probability.
(ii) Exchange rates can move all over the damn place. Not just a couple of % here and there, but by 100% or more.
(iii) Geopolitical events.

Ideally one would have more passports than Jason Bourne and many millions of $ distributed over about 5 continents. However, most have more modest resources and need a less ambitious plan B.