The article is terrible - it is effectively saying "being objective" is not good for achieving that "objective". This is complete non-sense without untangling the epistemic roots for said words, the author may have had.
It's apparent that it's actually saying that being too "greedy" (i.e too low a horizon) can be bad for achieving an objective. This is well known to both Control theorists, RL practitioners, and many other non-STEM people (in marketing/politics/sociology etc.).
This triviality has nothing at all to do with Zen or any of the things Westerners take for being "rustic" and "warm and fuzzy".