Americans aren't only richer, they consume much more than anyone else. That's why they feel richer in Southern Europe and travel to Europe has doubled in a decade.
It's not only purchasing power, but also propensity to consume.
When they travel to countries where prices are 20–40% lower, their already high consumption power stretches dramatically further.
I'd make it much easier to get digital nomad visas, and access to tax exemption regimes.
Take Italy. Imagine if instead of focusing on flat tax and retirees, digital nomad visas and tax breaks for tech workers were easier to get and stronger.
How many would come to build from Italy, worldwide?