Whether it be coming to the realisation of painfully obvious plot points or asking questions about something that’s explained very simply.
Then the worst of all, there’s the people who just spoil EVERYTHING under the wrong flair, or even just commenting on posts literally stating show only viewer. Even then under the comic spoiler flair people put the spoiler in the title.
I’m resigned to no surprises all because I like having a discussion about my favourite show. Lovely. Rant over.