Hey, its a bit out there, but not beyond the realms of possibility. Anyway, the decision to schedule the vote during the euro's, when those with less perspective may have been feeling a bit hard done by, could have been a mistake.
https://www.google.co.uk/amp/www.newstatesman.com/politics/sport/2016/02/will-euro-2016-have-impact-eu-referendum-result%3Famp