>I couldn't fathom why anyone would ever use it. And then I used it. It seriously makes CSS significantly easier to maintain, dramatically reduces your CSS build size, and is really good for teams if you're trying to use consistent CSS throughout your UIs. You also don't need to go back and forth between CSS file and HTML file.

Same. I always said they'd pry my stylesheets from my cold dead hands. But then I tried it, and I'll never go back. I feel like it's time to let go of those last vestiges of the old "web development" paradigm, and start treating the browser as what it is; a universal VM for application development.