Unfortunately, dancing in general
is taught or handed down as patterns, separate from the
underlying dynamics that really make them work.
Maybe in your world; this is not true in mine. Perhaps I have just been really lucky.
The decision making (mental/physical development) in the
two cases have overlap but also lots of difference. In the
first case, the concentration is on the pre-meditated
execution of a routine with a single known partner.
I dance a practiced set of steps significantly better if I simply focus on following. The moment I think about what comes next, the quality deteriorates.
I enjoy social dancing. I just think some people really misunderstand the experience of competitive dancing. I also will acknowledge that I stumbled into a very good studio as a beginner and my current teacher/studio is superb. While I am not a high level dancer, I think it's safe to say that the vast majority of successful high-level dancers have had the same experiences in their training that I have had. Is there poor quality teaching out there as well? Of course.