In fact it helped a lot. And this heppened more than 2 years ago. As tangotime rightly said, explaning/getting the structure of movement is part of the teaching/learning process, though not for eveyone.
The example by Joe and Sarah is a bad one. Maybe look at videos of Ataca y Alemana (Jorge and Tanya) dancing bachata - that's a more accurate representation of good dancers dancing bachata in the US and other western countries.