I could not blame him either.
I have a relative who moved to D.C. to take a high-level banking job. He was shocked to quickly discover how morally decrepit most of the population was there. He retired and got the heck out of Dodge.
I have always felt that we send some wholesome, well intentioned, conservative representatives to Congress, and the moment they step off of the plane, they are corrupted. The spiritual warfare is overwhelming there.