There are multiple secrets in it.
Things are called "spoilers" because they "spoil" the sense of mystery, suspense and terror from not knowing what comes next because people are casually talking about it and it suddenly happens that, whenever a spoiled person goes to see said secrets or future plot, those feelings are gone.
Also, generally, the more you see or think about something you're not used to, the more you get used to it.
People seem to really like adrenaline rushes.
Anyway, the post contains multiple secrets of AEWVS in it.