Breadtube if it didn't suck.
Post videos you genuinely enjoy and want to share, duh. Celebrate the diversity of interests shared by chapochatters by posting a deep dive into Venetian kelp farming, I dunno. Also media criticism, bite-sized versions of left-wing theory, all the stuff you expected. But I am curious about that kelp farming thing now that you mentioned it.
Low effort / spam videos might be removed, especially weeb content.
There is a cytube that you can paste videos into and watch with whoever happens to be around. It's open submission unless there's something important to commandeer it with at the time.
A weekly watch party happens every Saturday (Sunday down under), with video nominations Saturday-Monday, voting Monday-Thursday. See the pin for whatever stage it's currently in.
God, I hate computers most of the time, but occasionally I still feel that spark of that old dream. The one they fed us on though VHS tapes, put on when the teacher just cant be bothered;
The Information Superhighway Will Connect People Around the Globe In Ways Beyond Our Modern Comprehension 
yeah, voiceover guy, sometimes it really really does
I've never been to an opera.. but if I go to one I want it to be this
Composer John Adams in shambles
That seems like a pretty lame opera tbh I kinda expect them to move around a bit more