I'm not an insider and I don't personally know any of their principals. But I have followed their work and read what they write, and I am absolutely certain they are considerably above the mean when it comes to intellect and operational ability.
I also suspect they have benefitted to some greater or lesser extent that is unknown to me from connections in government. But like it or not thats part of how the game works, so if you want to be at the top of the game you have to play ball.