Luckily you don't need to convince the treasury, just the electorate. And they are desperate for it. As you said, Bojo's levelling up scheme was like electoral crack. Perhaps some day we will achieve the level of democracy where the government enacts policies which are universally popular. Maybe it will happen soon if Reform UK actually follows through on proportional representation. Though it's a sorry state that those racist cretins are our best shot. Though I don't know if PR alone would be enough, we'd have to do something about the media as well and they're pretty buddy-buddy with Farage.