Sure. So if more than 50% of the total voting public come out to march and protest then I'm sure that can be arranged.Yes, but that was because populists lied their faces off about how easy it would be and how good it would be for England.
Now that they've had a few years voters are well within their rights to change their minds.
In a democracy, the will of the people needs to be obeyed.
Beyond that it's a minority calling for it.