Facebook Container works by isolating your Facebook identity into a separate container that makes it harder for Facebook to track your visits to other websites with third-party cookies.
I agree. Google and Firefox have a high number and quality of plugins, but Google Chrome has a larger market for plugins and it is easier to find plugins for specific features. However, Firefox supports plugins in the WebExtensions format, which is compatible with Google Chrome, but also supports other formats such as XUL and XPCOM that give developers more control