Pensioners paying income tax don't need WFA. It would have been so much dangerous if HMRC were just asked to cooperate with DWP and only those NOT paying income tax still got it. At least for this year anyway.
As for Brexit we would be the laughing stock of the world and the rest of the EU would take us for a vast amount of money if we tried to reverse it.
A drop in the ocean in the great schemes of things....but replicated by how many more

