I have the Samsung S22 Ultra, the version of Google home in the playstore is from November and doesn't allow me to adjust the Outdoor Nest Cam Floodlight brightness anymore. My wife has a Pixel 6 with a newer app version and hers works.
Sorry to hear you're experiencing this, as I can imagine it has been an inconvenience. I would love to look into this further for you. Have you made sure that your app is updated to the latest software? Are you still seeing this concern? Please let me know.
Just checking in to see how the conversation is going. Please let us know if you have any further questions or concerns. We'll leave this thread open for a little longer for follow-up questions and concerns.