MarkB
Legend
The one I remember from back in my Usenet days was about the Firefly movie, Serenity, and it was by a regular member of the group who really didn't believe he'd spoiled anything.
And I've seen a few examples of the more deliberately trollish ones in Youtube comments. One in particular stands out - about a day after Star Wars The Force Awakens came out, someone posted a comment on a sci-fi related video that
Carefully hand-crafted, I must admit.
He posted that the first main-cast death in the movie was tragic, but the second was shocking and came out of nowhere. He didn't consider this a spoiler, as he hadn't said who died or when.
And I've seen a few examples of the more deliberately trollish ones in Youtube comments. One in particular stands out - about a day after Star Wars The Force Awakens came out, someone posted a comment on a sci-fi related video that
it made him feel the same way he did when Han Solo was killed by his son Ben.