Let’s not forget either the DUP’s popularity within the province
One of the issues with the politics Northern Ireland is that the Republican party, Sinn Fein, refuses to take up its seven seats at Westminster. This means that of the 18 constituencies in the Province seven do not have active MPs. It also means that the only Westminster representation comes from a party that got just 36% of the vote there in June 2017.
This makes the parliamentary representation of opinion in the province rather distorted but there’s nothing that can be done about it because the Sinn Fein stance is central to its core politics.
Throughout the early part of my career the one massive story that dominated British politics was h troubles in Northern Ireland which lead to many deaths and much destruction. The ending of nearly a third of a century of difficulties as a result of the Good Friday Agreement in 1998 was a major success that both Tony Blair and John Major can claim credit for.
The DUP, it should be noted, was opposed to the agreement and as can be seen the no side got 28.8% of the vote.
A huge problem is that this was all a long time ago and many current politicians have no real knowledge understanding of its significance.