Google has started to do the same thing making my nvidia shield a paperweight to me.
[1] https://play.google.com/store/apps/details?id=me.efesser.fla...
The only thing remaining is to disable certain buttons on my remote, especially the huge google assistant one. It's easy to hit accidentally, and then suddenly the content gets obscured by google begging me to set up an account and configure the voice assistant. Haven't found a great solution for that yet.
I was kind of forced to get a Chromecast, because they actively block independent receiver implementations, and the prevalent Cast button in Android apps is used by other inhabitants.
This should obviously be illegal, and probably is, but megacorps are above the law.