" how you can know people "vehemently disagree".
Simples: They were passionate enough about the outcome that they got off their arse's and toddled off down to the polling station and voted.
I have no idea what delusions motivated the remainers and of course 27% of the electorate could not be bothered to crawl out of bed for the event. It is highly amusing that by some distortion of logic the remainers would like to sweep up all the no-shows and put them in their camp. I would have thought they had sufficient dross already, but their is no accounting for taste, is there?