When I was in college, my then girlfriend texted me that she was watching Jojo Rabbit. She knew it was one of my favorite movies, and said that she loved it too. She was talking about how Scarlett Johannson’s shoes almost have their own personality. So I said,
spoiler
yeah, it’s devastating when you notice her shoes on the hanging body.
Turns out she had paused the movie to make some dinner, and hadn’t seen this part yet. Needless to say, she was PISSED!
I have accidentally spoiled more video game plot points in live streams than I would like so I have learned to keep my mouth shut. It isnt worth the risk of spoiling stuff the streamer may or may not have seen just to strike up conversation in the chat.