DmcG The real reason is the refusal of the Commons to deliver the Brexit both parties promised in their last election manifesto. Any economic uncertainties resulting from their intransigence is clearly their fault.
Trying to deflect blame onto the Blameless Brexiteers, who only seek a democratic outcome, simply will not fly. (Just see what happens Sunday night)

But the anticipated character assassination of Farage is delivering untold thousands of extra votes into the Brexit camp.
Democracy shall prevail!

As the saying goes:

Every cloud has a silver lining ! (or MEP seat)