Your Smart Light Can Tell Amazon and Google When You Go to Bed February 12, 2019 https://www.bloomberg.com/news/arti...-google-when-you-go-to-bed?srnd=technology-vp
I see no valid business reason for collecting information like this. And indeed, that stuff ought to be end-to-end encrypted between devices and users.
Amazon and Google Now Require Continuous Data From Other Smarthome Devices Smart home developers raise concerns about Alexa and Google Assistant security A year-old Amazon and Google data policy still makes smart home device makers nervous March 16, 2020 https://www.cnet.com/news/smart-hom...ns-about-alexa-and-google-assistant-security/