https://www.businessinsider.com/what-it-takes-to-be-middle-class-middle-income-wealth-2024-5
"If we admit that we're very class-based — which we really are — that reveals the uncomfortable truth that we're not as democratic as we like to pretend to be, which is the heart and soul of this country," he said. "If we're not truly democracy, then what are we? That's the whole justification for creating this country."
There are more classes (there are still a few owner-operated farms, which technically count as Yeomanry, and the PB is a different class to the HB), Proles and Bougies are just the main ones.