Best means useful across the catalogue
The best ecommerce model is not necessarily the person who produces the most dramatic campaign image. Ecommerce rewards consistency: clear garment presentation, repeatable poses, accurate movement and the ability to maintain energy across many products.
A retailer should evaluate whether the model makes fit and silhouette easier to understand while keeping enough personality for the store to feel branded rather than mechanical.
Speed matters only when quality survives
Experienced ecommerce talent can change looks efficiently, return to marks and understand common angles with less repeated direction. But speed that creates hidden details or twisted garments simply moves cost into retouching and reshoots.
Best is a commercial position, not an award: the right ecommerce model is the one whose performance makes the store easier to shop and the content system easier to produce.