"some things have “changed for good” as a result of the UK’s policy choices, “there are mechanical, obvious, inevitable, consequences when you leave the single market and that’s what the British wished to do”
Remember: because we held all the cards, they needed us more than we needed them, and the genius move of keeping no deal on the table as "no deal is better than a bad deal'", whatever Johnson brought back from Brussels was the best Brexit deal possible.