Ar yr un pryd, mae Llywodraeth y DU yn fwriadol yn gwrth-wneud datganoli yng Nghymru drwy ddyrannu arian newydd yr UE yn uniongyrchol, ar lefel sy'n llawer llai, drwy Gronfa Ffyniant a Rennir y DU – sy'n golygu bod gan Lywodraeth Cymru bellach lai o reolaeth dros lai o arian.
At the same time, the UK Government is deliberately overriding Welsh devolution by directly allocating replacement EU funding, at a dramatically diminished level, through the UK-wide Shared Prosperity Fund – which means the Welsh Government now has less say over less money.