So this is basically Xbox game pass ultimate, the cloud gaming part?
Because at one point they mention if you have to rebuy games you already own and they said you can just link your library.
At one point it sounds like they're renting out hardware and are able to stream your library to you ( you own the game ). Other times it sounds like they have a catalog and you just pay for the streaming to your device ( you don't own the game ).
Edit: do not mean this in a negative way. I'm just confused trying to find the answer :D