The implication is probably pointing to Kushner's alleged habit of talking to foreign contacts on the app, speaking officially, rather than his use on its own:

The implication is probably pointing to Kushner's alleged habit of talking to foreign contacts on the app, speaking officially, rather than his use on its own: https://www.theguardian.com/us-news/2019/mar/21/jared-kushner-whatsapp-house-oversight-information https://www.theguardian.com/us-news/2019/mar/21/jared-kushne... Whether their conclusion is accurate though is dubious.