Aren't Nest Protect alarms also linked? This harrowing video leads me to believe they are. It's a couple years old at this point though. (Turn your sound dow

Aren't Nest Protect alarms also linked? This harrowing video leads me to believe they are. It's a couple years old at this point though. (Turn your sound down, video is a poor soul trying to deactivate them.) https://www.youtube.com/watch?v=BpsMkLaEiOY https://www.youtube.com/watch?v=BpsMkLaEiOY