I agree. He lacked political skill. But given a choice of answers, he doesn't fit well into the definition of capitalist.
If someone asks me, I say I am a pragmatist. I don't care for ideological premises. I care what works. Different economic environments require solutions that fit them best and there's no one size-fits-all model.
The profit motive is important. But so is the Hippocratic oath. And so is protecting the vulnerable. And so is the level playing field that the law is meant to demand. etc.
I've lived in raw socialist and brutal capitalist environments and I like neither. Both are improved by dilution of dogmas in favour of mixed purposes. Sometimes these mixed purposes result in apparent contradictions.
So requiring that a person with a complex set of ideas must adopt a simplified label tells you more about the questioner than the person answering the question.