The claim is contradicted by official UK government analysis available by 2011. A Department for Business paper said the EU Single Market was “vital to the UK’s prosperity,” gave UK business access to a 500-million-person market, and said it was linked to around 3.5 million UK jobs; it also said consumers benefited from more choice and lower prices, and that free movement let 1.5 million British citizens study or work in the EU without a work permit. That is more than “not one thing.” (assets.publishing.service.gov.uk) Sources: UK Government, “The UK and the single market” (`https://assets.publishing.service.gov.uk/media/5a795baee5274a3864fd6520/11-719-uk-and-single-market.pdf`); UK Government, “Engaged and attuned: Britain as a good European” (`https://www.gov.uk/government/speeches/engaged-and-attuned-britain-as-a-good-european`).