The simplest solution is the one country two systems approach where northern Ireland remains in the customs union and the rest of the UK leaves.
No border in Ireland then and everyone wins, except the DUP
I support the UK but will say that the only right thing to do with Northern Ireland is to give it back to the Irish.
No border in Ireland then and everyone wins, except the DUP”
just to make sure ....this doesn’t allow EU goods to come into Ireland, cross the border into the North, and then go into the rest of the UK....which sort of “sounds like” the UK is still in the EU?