This is the "Slow Food" movement applied to sexuality.
: Physical postures were originally designed to help partners of different physical builds find the most sensation and comfort. 2. Foundational Techniques kamasutra video guide
By choosing a respectful, educational, and holistic video guide, you are not being a voyeur. You are being a student. You are telling your partner: "I am willing to learn. I am willing to laugh when we fall. And I am willing to try." This is the "Slow Food" movement applied to sexuality