Sure, and there's also an extension to install a web page as an app similar to Chrome. The point is that, out of the box, it lacks some features that I enjoy. Extensions are great and I use plenty of them, but that doesn't mean that Firefox has those features, it just has extensions that have them.

Firefox is great, don't get me wrong, I'm definitely preferring it, but that doesn't mean it doesn't have all the features that I wanted up front.