The DUP have a lot to answer for; this could have been sorted out long ago if they were not so stubborn about their "Britishness" being effected. In the poll below 58.4% favour the Irish Sea border, that would include the vast majority of Nationalists and people who would not put themselves in either camp plus a significant minority of Unionists.

https://www.thetimes.co.uk/article/n...stop-lbrjn0f5g