I think the primary advantages of something like this is more so that it enables you to use it with terminal tools, and from/in other programs (e.g. calling it

I think the primary advantages of something like this is more so that it enables you to use it with terminal tools, and from/in other programs (e.g. calling it from vim). There's also the benefit of increased productivity if you want to stay in terminal. It wasn't designed to to be more ergonomic than the browser based one.