A selfhosted instance of this, combined with Yattee https://github.com/yattee/yattee as a client on iOS and tvOS is a pretty decent way to consume YT subscriptions with minimal exposure to algorithm and ads.
I'm frustrated that you have replied three times and still not explained how uBlock Origin has anything to do with this third party client that is not a web browser and neither needs nor can even potentially use uBlock Origin.