>They'll still get hit hardest. Weak pound means more expensive imports. UK imports ~40% of it's food
I can think of one rule which will get revoked in that case: https://en.wikipedia.org/wiki/Set-aside
Much like Russia (which suffered a much worse currency slump and also imports a lot of food), the UK will likely roll with it and engage in import substitution.
>Speaking to your point on competition as well - if the UK wishes to join the EU free market they will most likely need to accept freedom of movement.
That's clearly the deal the remainers wanted to take but if I recall correctly they lost.
At the low end I'm pretty sure the wage rises coming from fewer Poles, etc. will at least match - and possibly outstrip inflation caused by newly instituted 2-4% tariffs.