He’s not the one who needs to get over it. Pontificators who think they know what the book will entail should perhaps take that advice.
It’s called a memoir, so of course it’s going to reflect on his past and upbringing. That’s the point.
I think it’s rather sinister of you to compare him to Prince Andrew. He and Meghan wanted to live a quiet life in private, but the royal family—or should I say “palace sources”— couldn’t let it go with that. They became the scapegoat for every flub and blunder of the other royals with leaks to the press. It was so blatantly obvious it was kind of pathetic.