The world’s first detailed route map to ending a nation’s use of fossil fuels is both “ambitious and affordable”, according to the UK government’s official advisers,
Entirely the wrong decision tree. The correct one is:
1) Should this be done?
2) Is this the best available way of doing this?
That we can afford to do it this way isn’t relevant at all, not until those first two have been answered.
BTW, the answer to 2 is no, whatever your opinion of 1.