maybe if Miggy says it you will believe it. Don’t know why this is so hard to understand. In both gifs posted it’s clear as day that the hands are directing the body to an optimal position to strike the ball. By either reacting or delaying.
No need getting emotional.. you want to keep this thread on topic. Provide drills so the OP can use, drills that illustrate hands determining plane. The only ones I can think of is similar to what TM teaches.
JD Martinez, what improved his swing.. hands or sequence/posture? If you believe hands, then you believe in TTB