I just realized that probably the entire MIT Open Courseware Content is CC BY-NC-SA 4.0. Doesn’t that mean that one could then reupload a lot of content to some peertube instance and thus publish a lot of excellent content there? (Provided one complies with the Non-Commercial, Attribution and Share Alike Clauses of the License)
This channel has been uploading Creative Commons science videos from other creators: https://tilvids.com/accounts/opensciencevids/about
And for example this video was produced by an educational institution: https://tilvids.com/videos/watch/08bceb92-bb06-4187-a122-a843e1d45670