If you teach and don't have your own YouTube channel you are missing an element that could support you and your learners.
You don't need to become a Youtuber.
You don't need to make any videos of your own.
You can simply build up a collection of clips that you think teach important bits of your subject.
Better still you could use and or add to some of the playlists listed below. The secret sauce is that we can all contribute to shared playlists.
This is how it works:
You need set up your own YouTube account if you don't have one.
Click on one of the linked playlists below. This will open a YouTube playlist open for collaboration.
Find then add a favourite relevant YouTube clip to playlist
You can copy playlist and use it in any context you like as a resource for your learners.