Tricky one isn't it....It is true to expect the gov to 'sell' it to us. I remember years ago being taught on a sales course the WIIFM factor, that is 'What's In It For Me'.
As I can see the pros and cons stack up pretty evenly so where is the momentum and impotus for change going to come from? I believe that such a revolution will not occur, and that a government that has stopped listening to the people will try to force the issue, lose, and allow the Tories back in whether they are ready for power or not.
Oh and the Brits have a fervent disregard for the French, as indeed they have for us. Just the way it is. Joe public will vote and vote 'no'.