Well-coached, Zuckerberg offered his apologies, but Facebook has offered them repeatedly in the past. Indeed, he has become a professional apologizer. Democrats and Republicans both noted that the Facebook CEO has promised changes before and that nothing significant ever seems to happen. Other observers were similarly blunt. “When over and over [Facebook] keeps doing things that infringe on user privacy, at some point, apologies become empty words,” Gabrielle Adams, a professor at UVA’s Frank Batten School of Leadership and Public Policy, told The Washington Post.