The positive side of Brexit was that more workers from Commonwealth nations could find work in the UK, effectively replacing the Europeans from less wealthy countries. The diversity enriches its culture and the views of the world. The downside of it perhaps is the rise of the extreme right. The logical discrepancy that it supports Brexit encouraging the situation while denouncing the cultural invasion is somewhat obscured by the advantage of being the opposition.
The lack of funding for NHS and education has been criticized by the voters. The wealth disparity is the persistent major issue of the kingdom. A more delicate issue would be how the UK takes a stance on the Palestinian issue. While the protests played a role in the downfall of the Conservative Party, how the Labour government deals with their humanity is yet another challenge that the new government will face.