It is always sad when the original question and poster are lost in the shuffle.
There is a funny quirk to the human body, no two are usually alike.
Swing styles will vary but the task is always the same. Making conract with the ball to get the best results.
From a scientific view, the best method is the one that uses the least time and energy to get a desired result.
From a practical view, if it ain't broke, don't fix it.
The differences of opinion and the defenses of opinions usually turn more into learning experiences for the gurus, but we should always keep paramount the individual asking for opinions.