Webfonts were great when most computers only had a handful of good fonts pre-installed. Thanks to font creation and buying by Apple, Microsoft, Google, and other folks, most computers have good - no, great - fonts installed, and they're a great option if you want to not load a separate font.
Fonts matter more than we may realize; they’re as important a choice in determining the visual impact and informational flow of a web page as the color scheme or the navigation layout.