Replacing an existing and well established free trading arrangement with your next door neighbour, the world’s biggest trade block and your biggest customer..... for what might happen with China. What a fantastic idea! It makes you wonder why more countries don’t do it.
Yes I don't disagree but there is an awful lot of potential in UK-China relations. This is the one of the optimistic takes I've read: https://www.theguardian.com/commentisfree/2018/jan/24/brexit-europe-future-eurasian-europeans-asia