Working together in a collaborative environment creates a situation where team members are encouraged to think wildly. Also embracing the critique of a whole team is the best way to refine something that, if designed in isolation, is at risk of becoming impossible to use.
Why does one choose to use Gmail over Yahoo, Medium over Blogger — if the features are 99% the same? It’s definitely not about disrupting usability standards. It’s about that additional layer of sophistication that can only be achieved when you put enough time and brainpower into the tiniest details, the most subtle animations, the most elegant transitions – not just for the sake of creating whimsical dribbble shots.