Actually, I didn't. Where were the videos of people establishing backstories, cast members treating them differently based on the characters they created, and participating in a game where the outcome wasn't decided in advance?
I thought that was the definition of LARP'ing.
All I've seen so far is a Star Wars themed kids day camp with some adults dressed up and playing along while others wear street clothes and cringe while watching them. I see an embarrassing "light saber" training experience that belongs at my local laser tag, dance lessons, horrible acting, and a barebones cafeteria with mood lighting.
If that is amazing and world-changing themed entertainment to you, then God bless.