The majority of today's issues are part of the global supply chain not Brexit . No one is saying folk have to fill in forms as they do other parts of the world .
The global trade is still at risk due to ( greedy Westerners) yes that's all of us with our desire for( cheap Labour produced goods) and China's mad reaction lockdown measures to Omicron.
Davina MCall has a lot to answer for as well .
This might help you see through the Brexit woe is me blame game :
https://www.bmj.com/content/377/bmj.o1183