It's inherently a political issue. Most of the UK licence holders that are looking to regain their EASA licence will be British citizens.
What you are looking for is EASA to make favours to British citizens, so they can better compete for jobs with EASA licence holders (who are predominantly EU citizens). I really wonder why EASA isn't working on this as their top priority, I really wonder...
There were numerous opportunities for people of UK to apply common sense between 23rd June 2016 and 31st January 2020, but alas...