I have not read the whole thread, but could I point out that these "notices" have been issued in all sorts of areas and applications (my own specialty being Data Protection). It's nothing whatsoever to do with politics/poo-stirring etc) it's purely functionary; they are basic statements of objective fact (albeit, of a necessarily temporary nature) intended to inform interested parties of changing circumstances, without speculating on potential outcomes.
Naturally, the press and all other interested parties are going to capture these statements and twist them to their own agenda, it was ever thus.
If I may borrow from my own specialisation, the equivalent notice for Data Protection simply points out the UK will become (under GDPR) a "third country" on the day we leave. That's not a political statement, it's a GDPR policy fact. How that alters as brexit progresses is speculative...obviously. No doubt when something is actually set in stone, all these notices will be amended and re-issued.
It's not rocket science.
PS
I'm neither brexiteer nor bremainer, so please don't tar me with either of those brushes, thanks.