Because this is about speed. LESS comes native with Bootstrap out of the box and using it with Bower, FontAwesome, Gulp, and other tools is so easy and quick.

Because this is about speed. LESS comes native with Bootstrap out of the box and using it with Bower, FontAwesome, Gulp, and other tools is so easy and quick. The asset pipeline is so nice here I think (still can be improved though with `gulp-jade-usemin`).