Yeah, I understand that hearing the same simple explanation of "you don't own it..." gets to be annoying. Especially in places like this where most people are pretty well aware of the situation.
The primary issue seems to be that enough people support this type of service willingly for the sake of convenience and are generally ignorant to the potential long-term issues. It feels pretty exploitative as a consumer.
But I don't see how making the distinction between ownership of the content vs the license is providing legwork for those services. In my mind, that distinction is key for understanding that the service is not for me. And I may just be looking at this too optimistically, but I would hope the same would be true for users who don't read the fine print, or happen to have not understood the issue until something like this post is presented.
HDMI is intended to pass audio signal as well. You may have to make adjustments to the audio output settings on windows.