Brexit and hate crime why was the rise more pronounced in areas that voted Remain?

The sharp increase in hate crime that was recorded in the aftermath of the Brexit vote was more pronounced in pro-Remain areas, write Facundo Albornoz, Jake Bradley, and Silvia Sonderegger. They write that this was because the referendum was a source of new information about society’s overall preferences over immigration, enabling those holding anti-immigrant sentiments but living in areas which are generally supportive of diversity to externalise their views.