> The current system permitting freedom of movement across the continent while devolving immigration policy entirely to members creates a fundamental tension the EU needs to resolve. Because otherwise, Berlin can basically dictate EU immigration single handedly, which is bound to generate backlash even if they run a perfect programme.

You do realize German nationals (followed by French) are the top contingent in term of immigration to Swizerland.

(Only EU citizens benefit from freedom of movement to settle in Switzerland)