"The win gap was at least 4%" That's a narrow gap. Demographics (Brexit voters tend to be older) could easily have eroded that lead by itself in the past 3 yea

"The win gap was at least 4%" That's a narrow gap. Demographics (Brexit voters tend to be older) could easily have eroded that lead by itself in the past 3 years. "Further, the native population was far higher pro Brexit" The native population tends to have a lower birth rate also eroding the lead. Plus what is your point here? I cant think of a reasonable reason for even bringing it up.