Are we “post opulence?” Try post ostentation. The British are famous for their understatement, so much so you'd believe it if I told you it was codified in common law. Rolls-Royce, the most British of British automakers, treats understatement in reference to its products with the same reverence it treats the Spirit of Ecstasy that adorns them: the utmost. Six years ago, Rolls-Royce launched the Ghost Series II, insisting it was a "subtle" update. Now it presents us with a third-generation 2021 Rolls-Royce Ghost (no "series" appellation) described by a design movement Rolls-Royce itself made up: "post opulence." A New Sharpness For The 2021 Rolls-Royce Ghost's Design Much as no Rolls-Royce is ever subtle, it is never unopulent, either. But…