(JTA) — Randi Zuckerberg, sister of Facebook co-founder Mark Zuckerberg, weighed in on his controversial comments about Holocaust deniers on the social media platform. In a statement provided to CNN, Randi Zuckerberg, who previously served as director of marketing for Facebook and is the founder and CEO of Zuckerberg Media, denounced Holocaust deniers, citing “their hateful, disgusting rhetoric.” She appeared to agree with her brother, however, adding that banning such people from social media “will not make them go away.” Her comments came after her brother told Recode’s Kara Swisher that Facebook would not remove the posts of Holocaust deniers because they could include people who “aren’t intentionally getting it wrong.” He said Facebook would only make sure such posts would not get high visibility. Critics, including the Anti-Defamation League, said a private company should draw the line at tolerating obvious falsehoods and hateful, unfounded conspiracy theories.

In her remarks to CNN, Randi Zuckerberg mentioned her involvement in Jewish organizations, such as Birthright Israel, PJ Library, Reboot, the Wexner Foundation, the Shalom Hartman Institute, San Francisco’s Contemporary Jewish Museum and “JCCs and Federations across the U.S. and Canada.”

She noted the difficulty of “navigating this incredibly difficult new world where the notion of free speech is constantly changing.” Citing the positive effect that Facebook has had on the Jewish community, she lamented that the platform has become a tool for detractors as well. She suggested that a national debate was needed on Holocaust deniers’ right to a platform. “As much as I disagree with Holocaust deniers having a voice at all, the reality is that it is not currently considered a crime in the United States, and if we want our social networks to remove this hateful speech and follow the lead of many countries in Europe who denounce it as criminal, we need to expand the conversation more broadly and legislate at a national level,” she wrote. “I wish that these platforms didn’t give a voice to those who cry out for divestment from Israel, make anti-Jewish remarks, and many of the other issues affecting our community today. But silencing everyone — or worse, silencing selectively — would be far more nefarious.”