Brexit has been a disaster for the UK otherwise and anyone with eyes can see that
A "disaster" is a overstatement to the point of falsity. Still an unforced error and a bad idea but let's not exaggerate.
Why do you think it's an exaggeration? I mean it has measurably put them in a worse financial spot than before. I'd call the US tariffs a disaster and I'm not sure which one wiped out more from which nation's economy