The only thing that makes sense to me is that they are flying, not checking a bag and therefore they are unable to bring their poop knife.

Corrected link. https://www.scientificamerican.com/article/brain-waves-synchronize-when-people-interact/

Just listened to the Outside/In podcast two episode series on the legality of protests. They cover some of what happened at the start of the “Stop Cop City” protests. http://outsideinradio.org/