This 'hard Brexit' nonsense is so ridiculous. What they mean is not that will do a Brexit without access to the single market, but that they'll try to bullshit the EU into thinking they might actually do it, which they won't, so the EU will just call their bluff and sit back, waiting until they inevitably buckle.
This 'hard Brexit' nonsense is so ridiculous. What they mean is not that will do a Brexit without access to the single market, but that they'll try to bullshit the EU into thinking they might actually do it, which they won't, so the EU will just call their bluff and sit back, waiting until they inevitably buckle.