Be Unique
Nowadays big companies like Apple, Samsung, Sony use 3D technology to create high quality and unique videos like iPhone X launch ad was mostly based on 3D technology and VFX.
You don't have stick with real world physics and camera limits. In 3d, You can create anything you desire for example you can go microscopic level and can explode your product to show every single part of your product.
Freedom
Why 3D?
Marketing
According to specialists, Animation is a powerful tool for marketing. It quikly grab public attention and express exactly what you are wanting your audience to understand about you Product/Service.
You don't need compromize with footage that already filmed. In 3D, You can update your product as the production is goes along.