Some people maybe see a short post as not worth although it is dense and doesn't need much more words.

Yes, but that's not really what the problem is...

It's Postlings. Deliberately created.

I wrote about the postlink problem here: https://steemit.com/steemit/@intelliguy/how-much-work-do-you-expect-from-your-followers-do-not-spam-your-followers-with-postlings