With the tech billionaires obsessed with immortality and the very real prospect of them reanimating their disembodied heads frozen in a jar, modern revolution should leave nothing to chance and evolve from the guillotines of the French Revolution to something a little more permanent like a tree shredder.
They may well be but they have no science education, have obtained their position through a lucky fall of the chips and are not that bright. I am sure there are companies that tell them what they want to hear and take their money but that does not alter the fact that any real longevity treatment is generations away.