That's probably a different thread.
Clark was disliked (according to a warrant officer who worked on his G2) because he was too full of himself and refused to heed sound intel advise.
It's like those monologues in the movie "Thin Red Line"......
Whenever there is a large group of men, there will be politicizing, pecking order etc. It starts when you are a 23 year old LT, and you realize that you are measured against every other LT in the BN. It's the same perception game that coaches play with the players.
That being said, it is still mostly a meritocracy.
Your career (like any other) is a combination of luck and innate talent. You can get lucky and your talent and opportunity arrive at the right place at the right time, or you can be LT David Uthlaut. Shit happens.
I know a few guys that really should not wear the eagle, or even the oakleaf, and a few guys that should wear a star or two.