I'm still struggling with cyber's idea
Yes, the pound is likely to fall. And this is likely to be combined with imported goods being more expensive to buy and in all likelihood tariffs on our exports making our businesses less competitive. But the plus side is that there is going to be hardship, and this will encourage those that don't like it to make a choice to leave, and this will then leave those that stay with more wages to divvy up leading to a rise in overall wage levels at some point in the future.
That all sounds rather too much like Zimbabwe when the Zanu-PF took over.