OMG - that’s what I was going to say. Years ago my mother said that - backed up by my grandmother who was born in the late 1800’s. Lots of children died young bringing the averages way down.
And this young person interviewed “more than 100 top authorities about leadership and life”. OK, these are folks who sat at a desk with interesting work most of their work lives - either for a company or a University etc. I’ll bet money the person who wrote this is a democrat...