Saying "This is well-known now" is fine, because he/she is indicating that it is well known by people following the Epstein case. On a side note, everybody should keep the minimum level of effort to stay up to date on politics and news, especially when it is the case of high level corruption. Saying "we're busy", is not a good enough excuse, and we have more responsibilities working in tech than to take care of stuff that is simply immediate to us.