This is pretty serious stuff.
Breaking international law is not something a government should do lightly. Our government does, however, appear indifferent to it. That is, in itself, mightily worrying.
And then there is the fact, not to be ignored, that as yet the EU exit agreement has not been ratified by the EU itself. Quite simply, this is not as yet a done deal. And the EU could, in the light of such provocations, decide to walk away still.
Treaties become law when they’re ratified, not before…..