Earlier quoted context omitted.
A helpful reminder that Britain leaving the EU and Britain getting a 'deal' with the EU are two separate (but related) events. Britain triggered Article 50 and decided to leave the EU. There's no deal necessary. From the EU's point of view (and a legal one), this isn't a negotiation, just a (sometimes less clearly defined) bureaucratic procedure. There is of course the question of what Britain's relationship to the E…
Really it seems like Ireland and Spain are the most interested parties when it comes to negotiating with post-EU Britain. And if you look at UK land borders it should be obvious why that is. This is what's most frustrating about Brexiters complaining about the "unreasonable" offer by the EU. It's not "the EU" imposing those terms, it's the interested parties.
After all, with little to lose personally from a poor UK-EU trading deal, those uninterested parties have a much stronger incentive to push for other things they find important (such as freedom of movement).