IIRC the clinic was free, but "teaching hospital" just means it's affiliated with a university med school. My local university hospital is definitely not cheap.

I kind of thought of him as a high-functioning psychopath with some autistic tendencies. He does not really care about the consequences of his actions, and derives his meaning in life from doing a good job only. If that includes helping people, nice, if not, oh well.

If you look at what he did to everyone who surrounded him, made Chase a paraplegic, bullied Wilson and Cuddy unrelentlessly, drove a car through Cuddy's living room, made Foreman a lesser doctor than he was destined to be, was part of the reason cutthroat bitch dies, not forgetting the misdiagnosis and the general attitude, yeah... He was the villain of the show