Comment by graemep

I disagree. Control or borders was one of many issues. Policies and regulations were definitely an issue too.

https://media.ukandeu.ac.uk/wp-content/uploads/2018/07/CSI-B...

I think something that is under estimated is how much it was a matter of identity - do people feel British or European? The areas that voted remain most strongly were the nationalist areas of Scotland and Northern Ireland.