Remittances and tourism are not the topic at hand here. It's the local economic effects of a swath of retirees permanently relocating to a poorer location.

> Why does this topic cause the dunning kruger effect to go into full stream among an ostensibly "intelligent" group of people?

If you're smarter than the policy makers of countries who look at the economic drain of taking in disabled old people and say "nope", then maybe you should be calling up their presidents and demanding to be in charge of their economic policy? You're clearly the smartest one in the world. :)