With the latest hard fork, if I am not mistaken, a post will not be able to earn after 1 month. This, along with the ever decreasing visibility of old posts, makes no incentive to create for the long term.
Such a mechanism discourages production of non-timely content, for example, publishing books. So, Steemit will become an amature news resource.
Please let me know if I am missing something.
Just to draw your attention: