For miscellaneous discussions and remarks not suitable for top-level posts even in the Discussion section, let alone in Main.
(Naturally, if a discussion gets too unwieldy, celebrate by turning it into a top-level post, just like in the good old days.)
Possibly interesting article on winning: How to seem good at everything: Stop doing stupid shit
Summary, as I interpreted it: In practicing a skill, focus on increasing the minimum of the quality of the individual actions comprising performing the skill.
(Is this worth a /r/discussion link-post?)
Yes.