The Brexit promise is something nobody can deliver on. It was a lie, you cannot force the EU to accept an unfavorable trade deal. If only for the reason that it would set an exceptionally bad precedent and everybody would want their own deal, to pick and choose the parts of EU membership that are favorable to them, leading the EU to implode. Somebody needs to own up to that lie and accept that a "no deal" outcome, wh…
Maybe? If you think that most of the people are actually looking at or arguing about the implementation of any specific policy (I'd suspect this is the minority). It seems more likely people are just arguing about which tribe they're a part of. In that case nobody cares about what the best outcome is or what the truth is. If you can get a brexit deal passed that still allows the UK to 'brexit' in name only, but other…
I don't think that would work. All it takes is the EU to pass a law saying "all speed limits must be in kmph", or "You're not allowed sell goods in imperial units". The UK would then have to do that change, and that'd drive the Brexiters mad.