Your fav youtubers might host their own peertube someday, but there is still a lot of value in the other content that you don't consume regularly like tutorials or random interesting stuff. Peertube is not the ultimate solution
The term "open source" was confusing from the beginning. Insisting on "free software" has kind of an autistic vibe to it. "Libre" will probably not catch on. I like your idea of just calling it "GPL" or "MIT licenced" software etc
"Something went wrong" when I asked "Can I wear it". Almost couldn't continue until it finally went through. Would be good if you could change the question again if there's an error
Or just block some communities