"With no deal the EU will have about £320 billion of goods each year looking for another home"

Actually I was wrong the figure for 2017 was £347billion.

If you wish to dispute the parliamentary figures for EU exports to the UK let's be having your sources as you like to say!
With no deal who is to say if that export market will be untouched?

Dismissing the idea as twaddle is a typical lefty ostrich impersonation, hoping the problem will go away if ignored long enough.