Actually, they do if the author had focused on Harry rather than Meghan. Harry, like his wanker ancestor chose personal happiness (at least as he perceived it) over royal duty. The author focused on Meghan, but I think the real villain of the piece is the utterly whipped Harry.
There are credible theories that Edward was forced out because of his own fascination with Hitler, shared by his mistress. Neither the rest of the Royal Family nor the political establishment wanted England to go Nazi; so they made him an offer he couldn't refuse, with "the woman he loved" as the convenient cover story. And the two of them lived unhappily ever after; but not nearly as unhappily as Western Civ would have lived, had UK teamed with the Third Reich.