Well of course they're different. JC's supporters are left of centre and the Leavers are (mainly) right of centre but the point is that both are at odds with their MPs. Yet, somehow that's a good thing when it comes to the EU and a bad thing when it comes to the EU. Whose opinion counts for...
I'm not sure they are out of touch with the grass roots: it's just that (as soistes says) the EU wasn't a major issue for them. To take another example, there have been a range of polls showing that the majority of people are in favour of rail nationalisation (even among Tories): should there be...