I really despise that you need to login for it, especially as it used to be optional. I wanted to try remote play on a psvita[1] but did not want to so someone has made a thing to let you use geforce experience without a login[2] and i found it worked reasonably well.

[1] https://github.com/xyzz/vita-moonlight [2] https://github.com/Moyster/BaiGfe