Beyond disclosures about his sexuality and marriage, the media mogul’s memoir mostly serves up goodies for fans of Hollywood name-dropping and infighting.

Barry Diller has only just started his book tour, but he’s already trying to sneak away. “I’m shortening the tour part,” the 83-year-old mogul said recently in his sonorous baritone, the “Killer Diller” voice that intimidated and intrigued Hollywood …