With regard Leave voters not knowing what they voted for, I (now) realise that leave voters did know exactly what they voted for. They are willing (for us) to pay any price for Brexit, no cost is too great.
Peace in NI
Brexit is more important
Car manufacturing
Brexit is more important
Food standards
Brexit is more important
Workers rights
Brexit is more important
Galileo
Brexit is more important
Euratom
Brexit is more important
Farming
Brexit is more important
EU pandemic early warning system (EWRS)
Brexit is more important
European medicines agency
Brexit is more important
Nothing (even the birth of the New IRA) will turn you away from Brexit, I realise that now, and as each new cost becomes clear, instead of reassessing, it just makes you hate the EU even more.