We have never had a government coalition with Welsh or Scottish nationalists.
You claim that we should negotiate until most people won’t notice any difference that we’ve left.
Why leave then?
It is crazy. We are geographically a part of Europe, our biggest trading partner is the EU which is factually our home market. We get to take part in the decision making of the EU. No, we don’t tell them what to do, sorry, it’s not our empire, but we do share some of our sovereignty with them, as they do with us.
To leave that for some possible future trade deals, or to avoid such things as regulations on food standards, or work place conditions because they cost employers more, is literally ridiculous.