Kate Gosselin has a theory as to why most of Collin Gosselin’s siblings aren’t speaking out about his new book. “They do not want to be involved, and I support them on it,” Kate, 51, wrote via TikTok on Tuesday, October 27. “They are busy in college or living productive lives in their careers. They don’t have interest in reliving the trauma, and they certainly don’t need to ‘help’ their mom!” The comment came after several users referenced Collin’s memoir on his estranged mother’s TikTok page. “A child should never have to heal from their own mother 💔,” one user wrote. Ano...