Agreed. I've said for months that they are under represented in the polling or should I say under represented compared to what their final tally will be. In fact that YouGov/Sky poll puts them at where I imagined they'd be by polling day, so if that continues across polling then they may even be higher.
Whilst the Tory and Labour Parties have been extremely shy in talking about the EU, its a huge elephant in the room and the LibDems have called it out. There is a significant proportion of the middle classes that are remainers and the LibDems just gave them a damn good reason to give them their vote in this election.