I'm the organizer who gave the invite. It was indeed explicitly framed as "you can talk about whatever you want". In my opinion it was pretty obvious this is what JeanHeyd would talk about before the invite went out. He told us about the topic in that same call. There was a member of project leadership in the call as well, no concerns were raised about the topic. The first time JeanHeyd learned of any concerns with it was when project leadership asked me to downgrade the talk