> (even though in Switzerland more than anywhere else, immigration is at the foundation of the country's wealth).

Is that true? Switzerland's foreign-born population was under 5% around WWII. Wasn't Switzerland already a rich country by then?

If the referendum passes and the population crosses the threshold, Switzerland may need to remove itself from e.g. the Schengen area. All the remediations mentioned in the referendum are about suspending immigration.

>in Switzerland more than anywhere else, immigration is at the foundation of the country's wealth

Such a claim would need terms to be defined, even before justification. Switzerland's mercenary attitude to immigration is well known, yes. I would argue that endogenous factors (history and culture) are far more important in explaining Switzerland's success. Neither natural resources nor immigration are determinative of a country's wealth. See: Japan, which historically has had neither.

All the butthurt people are going to come in here with screeds trying to upend a basic economic tenet that a growing population translates to economic growth if you can employ that growing population gainfully

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