What I don't understand is who runs the actual streams? They require loads of bandwidth and are easy for law enforcement to target. They seem to be just standard HLS endpoints.
Other common places to store these things are on vidlocker.
I believe the business model is that the video service provides no search, making it hard for rights holders to be proactive, while 3rd party uploade and curate videos under the guise of "since it was on this other network we believed that license was taken care of (just like how YouTube tend to be responsible for licensing and not you, when you link to YouTube)
If any of the Kiss devs are reading this, you should commercialize your stack, and aim it at people who want high availability personal video storage.