Opinion vs facts: why do celebrities so often get it wrong?

Celebrities often make wildly inaccurate claims and comments to millions of people. But the workings of our minds mean we’re all prone to such behaviourI remember reading my parents’ newspaper one day as a teenager, shortly after Princess Diana died. One of the reader’s letters in it has stuck with me ever since. I don’t recall the exact wording, but it was something like this.“Elton John’s recent tribute to Princess Diana “Candle in the Wind” was