What he said made sense and it only sent home how HYDRA could have gotten at so many SHIELD agents over the years. They made their philosophies make sense or they brainwash others into it. It was horrifying.

"Nicely said. I haven't pegged you for the philosophical type." And Coulson still had to pretend to be friendly. Even though he was immediately on his guard the moment the door opened. It was a risk walking in there but he was willing to take it in case there was something important in there. Something he was sure Rumlow would use to his advantage and refuse to share.