Do say more! My lunch is rather bland today - could use a bit more salt.
The north wanted to stop immigration, the south wanted sovereignty. The combination doesn't leave much room, but May hard stance has already caused the EU to cave on "if you want our markets you have to take our immigrants". Negotiations continue. You start with an extreme stance when negotiating, then move from there - you don't start by compromising. Trade will end up little-changed between Britain and the EU, because everyone wants money, but posturing is important at the start.