If it will matter after today, stop talking about it in a chat room
Teams, Slack, Discord, et al. I agree with this blogpost. If you might need to reference it beyond today, take it out of the chat software and make it an email or a ticket or something else.
FBI: No evidence antifa involved in Capitol riot
Not that this will convince anyone who believes this.
Metal Detectors At Capitol Draw Anger From Several Republicans
Oh the inhumanity. How evil to institute... rules.