This "I'll match your General against my General". You can go into any business and find a few people who don't like the boss. So what??? Anyone remember Goldwater/Nichols fight???
It's not just that. Rumsfeld came in and laid waste to the Aholes at the pentagon. Forced out politico-generals and let others retire without the bump that would enhance their pensions. They hate him for that.
"Bush lied, people died, Halliburton"
(He blew up to WTC and the Levees - pentagon never happened)
"Troops aren't trained, Officers are incompetant,
Sh*$ don't work"