Northern Ireland Protocol

My Lords, I congratulate the Prime Minister on achieving an agreement which frankly has far surpassed all expectations. Can the Minister comment on those rather intemperate instant reactions that we have seen from some in his own party, and indeed from Northern Ireland, which are almost saying that Northern Ireland should not remain within the single market? The logic of that would be that the external customs frontier of the European Union would be across the island of Ireland and would be a hard border. They should come clean on that if that is what they really mean.