Personally, I think the broligarchy's beliefs are 100% rational for anyone who's ever spent 40 years sitting atop the kind of money-printing machine like software development.
Of *course* they're always right.
Of *course* they never lose.
Of *course* they are the smartest people in the world.
Of *course* they deserve everything they have.
Of *course* they are the only important humans in the world.
That's what a nepobaby who got in to software would *naturally* believe about the world.