For a totally unprecedented scenario, many now predict disastrous consequences, for most options.
Particularly a 'no deal' - says Canadian Mark Carney, the Governor of the Bank of England.
Significantly, such an extremely complicated subject may be beyond the UK's electorate to comprehend.
Together with their less than expert representatives.
And the eventual result in Westminster may be based on presentation and spin - rather than the correct choice.
Bearing on mind the the people of the nation have already made the big decision.
To leave...