Some people love to just drop things into threads as well. In one thread over in GQ, there is this
Which is compared to this:
Is the first going to be an hour-long YouTube video? A single panel cartoon? An essay?
The second clearly lets the reader know what to expect.
There was another poster who loved doing that, dropping “zingers” in a thread but the net in a form of a link. When called out, they said that providing a description would ruin the suspense. Whatever. I find said behavior annoying.