In fact this list was published at the start of the year by the New Statesman which is a tiny bit left I think. So that's a surpise.
But as I couldn't see a thread about this thought I would start one, rather than another one about yet another group or social media platform that has banned her.
Some extracts:
JK Rowling changed Britain. But, perhaps uniquely on this list, she not only shaped Britain’s imaginative understanding of itself, but also the world’s imaginative understanding of Britain.
Irrespective, as both writer and activist, she has done more than any other 21st-century Briton to define this country both to itself and to the rest of the world. We live in a UK shaped by the mind – and the pen – of its most pre-eminent activist-author.
Full article at https://www.newstatesman.com/ideas/2025/12/the-25-brits-who-defined-the-century-so-far
Also at https://archive.is/cUMl6
(and beat Farage into second place - phew!)