On balance, it feels as if that could play into the hands of the 'In' campaign. If the average punter tunes out the debate on Brexit and dismisses as hobbyhorsical the forthcoming intra-party fight in the Tory Party, that will make it harder for the 'Out' camp to broaden the debate beyond the clearly demarcated battle lines of British politics these past 25 years. And to win over the middle ground, they probably need to do that.