Europe is a common market that trades in ideas as well as materials | Letter from David Chipperfield
In dismissing the opinions of those he refers to as "luvvies" (The luvvies' Brexit letter only shows most people vote with their wallets, theguardian.com, 20 May), Simon Jenkins ensures that the debate about Europe continues to be limited to an imprecise and confusing argument about the financial consequences (which no one can be sure about), fragile prophecies about immigration, and anecdotal stories of Brussels' in…