The World of Transactionalists Versus Idealists

There is no way by any approved measure of accounting or financial advice, that it is worth a multi-multi-billionaires time to write a book on Van Niezien-based management theory. He does it because he believes it, right? I mean, most of these guys care about, like Betsy DeVos has no personal investment in school choice, she believes in it. In your experience, where would you divide the world of transactionalists versus idealists in this stuff? It's an issue that is actually a real irritant for me.