There is a list that usually gets $100 or more per post on Steem. No, but on any social platform. So these kind of posts you are seeing earning huge bucks on Steem:
- How to get more followers.
- How to get more upvotes.
- Which posts are profitable on Steemit.
- Which Bots to use.
- Everything about bots.
- Free Promotions.
- Free Giveaways of tokens.
- With the support of Bots (Any useless post can go up)
- New projects and promotion (Hard Worked Posts) [Definitely deserves]
- Personal celebrity lifestyle posts.
- Sponsored posts.
- Donation posts.
- Steem related voting posts.
- Emotional posts (very few).
Some of the above or below might not come it trending but most of them gets $100 or so and a lot of reputation as well.
Thanks to 
and other platforms for helping Developers to run their works on Steemit. Otherwise, most of the developers might quits Steemit already.
This is called POB, So yes it is POB, People attracts viewers for their posts by finding the requirements and attractions (Quick rich schemes).
It's POB. So, have fun using it.
And by the way what you think i am doing in this post. ;D
Let me know about posts you have in your mind to share with me in the comment box and i will update them in the post. This post is worth sharing, so Steemit can become more better usable blog platform.
Have fun Good night.