It's not that these individuals are not smart or capable, it's that they lack the dedication or care required to do these ideas justice. It's easy to see how someone can read Girard and obsess over the antichrist in the twilight of old age. However, a more rigorous engagement with philosophical foundations would offer them the breadth and perspective to be free of that narrow obsession.
It's about diagnosing why billionaire/CEO intellectual hubris makes them incredibly dangerous and sloppy thinkers.