I apologise if you took offence, but my observation was not an ad hominem, it was just that, an observation.
If you believe that currency valuations (or gold, steel and other commodities for that matter) have no real world meaning then you are either ignorant of basic economic theory or being truly disingenuous. I am not equipped in this forum to address the former, and I have no interest in playing along if it’s the latter.
You are entitled to your opinion, but far too many Brexiteers have felt entitled to their own facts, which they are not. And you will all be paying for it for a very, very long time.