Response from another Roku Guru who isn't on this forum:
This is simply a function of ACR (Automatic Content Recognition) which on Roku TV's is known as "Smart TV Experience" and recent functional improvements thereof, and it can all be disabled via:
Settings/Privacy/Smart TV Experience = unchecked (both Use info from TV inputs & Enable auto notifications)
In line with Anonymous article, here is a concerning read straight from Roku. https://advertising.roku.com/learn/resources/how-advertisers-can-leverage-rokus-acr-data/#!
Really starting to get more important to get back to the old method and habit of powering down these devices and depriving them of Internet access when not in use.
When Roku starts adding battery backups to their devices, I will also start pulling the HDMI cable as well. 🙂
