That was my thought. It seems like you’d be paying twice to stream games. I’m not sure if GeForce NOW is available on platforms that xCloud isn’t though. That’s the only way this makes sense to me. For example, Android TV, but I haven’t bothered to look it up.
Observer System Redux with a performance from Rutger Hauer. I’ve just started it so I can’t vouch for how good it is but it has positive reviews and has been pretty interesting so far.