It's made building cross-platform desktop applications that are just wrappers for existing web-apps down-right trivial (and no web-dev experience required there.)

And that case applies more often than you'd think. For example, the Spotify app, the Slack app†, the various Facebook Messenger "clients", etc.

† the Slack app is built with http://macgapproject.github.io/, but it's pretty much the same thing.