The ability of Youtube add-on to allow you configure triggers that can be completed by by wathcing a video can be used for multiples purposes.
In this page, you will find some examples about real or useful automations you can setup with this add-on on your site:
Combine it with content restriction plugins
On wordpress.org you can find several plugins with the ability to restrict a portion of content through blocks or shortcodes.
You can combine our Youtube add-on with them to restrict the visibility of the [automatorwp_youtube] shortcode to ensure, for example, that only editors are able to watch a specific video.