If you really believe in democracy and that the Leave vote was the will of the people, then surely you will be confident that a second referendum would have exactly the same outcome?
But Leavers aren't, are they - they're terrified of a second referendum because they know that the results would be Remain.
From which we can infer that there is actually a real lack of depth, of meaning, in the Leave vote, given that it would be overturned in a second referendum. Which totally supports the view that there should be a second referendum.