Quick shout-out to Grayjay: An app to watch videos on any platform - reducing the power of individual services. The Software is open-source and can be found here: https://gitlab.futo.org/videostreaming/grayjay
I will test this out for myself and hope someone here finds this useful.
Nebula is beta, hopefully it gets support for sending back watch stats and saving watch progress 🙏
I see they have something similar for YouTube already, where you can enable/disable anonymity (using your google account for requests VS anonymous requests), and enable/disable saving watch history to your linked Google account