I used to be a fan of the RPG, Traveller, and a lot of the other fans cited H. Beam Piper as an influence on the setting, Space Viking in particular. So, I read it, and I found it appalling.
In the first place, the protagonists insist upon an unqualified "might makes right" ideology, with "might" understood as the possession of advanced military technology.
In the second place, the antagonists are described, repeatedly, as having modelled themselves upon Nazis, despite not resembling Nazis at all. In fact, they're described as a mass populist movement with a knee-jerk antipathy towards technology. This sounded very much like the way conservatives tended to describe hippies in the late 1960s -- just when the book was published.
At the beginning of the novel, we see the protagonist dispatching soldiers to machine-gun a crowd of political demonstrators -- because, you see, if you don't use extreme violence to suppress popular movements, they'll turn into Nazis -- i.e., democratic pacifists who long for a simple agrarian lifestyle.
Somehow, I also managed to force myself to read another H. Beam Piper book, "Fuzzy Sapiens", in which it's discovered that the dominant life form on a colonized planet is actually sapient, so instead of being hunted, they're captured and made into house pets.