Because using Sass you can reduce all bloat by commenting one file full of @imports, and it's easy to get up and running quickly. Depending on the type of site

Because using Sass you can reduce all bloat by commenting one file full of @imports, and it's easy to get up and running quickly. Depending on the type of site (I do e-commerce) EVERYone wants a modal, a tooltip, etc; it's much faster to just style components that have already been tested at all breakpoints in all browsers than write your own.