The major difference is that the 3% cost to Germany would have the benefit of stopping money flowing into a vile war. The 3% cost of Brexit to the U.K. brought 0 benefit to anyone, but divided families and countries.
RT @JamesHarrisNow: German economists estimate shutting off Russian gas might cost Germany 3% of GDP or, as the British call it, 'the Brexit dividend'

🐦🔗: https://nitter.eu/LNethsingha/status/1513051645608960001