The most significant separator for me is that, from my understanding, Feynman was an actual practicing scientist. I am struggling to think of anyone in an analogous position today who has received this kind of attention.
But his disease probably got him more publicity than his brilliant mind.
He had to resign from the latter post after getting caught in a breach of lockdown rules by the media.
His personal life has been an endless source of fascination to the right-wing tabloids (e.g. https://www.dailymail.co.uk/news/article-8294315/Naked-hypoc... ).