That said, this book actually exists.
To me - these claims seem to fuel a conspiracy like mind set about why certain efforts or movements fail. "Because the billionares didn't want it to". "Or they bought the media and control the narrative". "Its all just a uniparty!".
If I were to replace the word billionare with the name of the first Abrahamic religion, you and I would both see that view point as low intellect nonsense. And it would be. But somehow, sub in the word billionare and then it becomes brilliant analysis for some.
again, i dont think this is a matter of political party. it's a matter of capital interference in politics.
maybe you could read the book to dispel your mistaken notion that it's just "billionaires bad", since it's stated (and successful) objective is to cover a specific group of highly-influential people that have worked on very specific projects in furtherance of a specific political/economic ideal that we're reaping the fruits of now in real time.