And FWIW, someone else posted something vaguely similar a while back. We could all see it (but I don’t remember what it was) since it was part of the actual video.
ETA, here it is. Same thing, knitting videos spliced into ‘normal’ content (Fox News in this case).
I don’t think we ever got an answer, but I remember thinking either the channel was hacked or this was a way to get news through a (national?) censor.