But it's a setting. I own an iPhone have turned off "Hey Siri". If it would still listen all the time that would be a security issue and breach of trust.
It seems 'smart' speakers wake more easily than Siri.
We hadn't been hearing news stories about FANG employees listening to/reviewing conversations intimate moments until the 'smart' speakers were deployed.
I expect this could have been going on with Siri as well though.
I'm open to using a 'smart' speaker in the future, there might not be any reason for concern.
Currently it just seems like a bad idea to add recording devices you don't control around your home.
That just shows that the media didn't think those stories would sell.
Not new Android phones. Since Android 8, google no longer listens while the phone is locked. If you want to use the google assistant, you have to give your fingerprint or password first.
It's more accurate to say "after the wake word is heard or after a false positive for the wake word is heard".
Even in the presence of hardware interlocks (active when the wake word has not been detected), the accuracy of wake word detection is a really important question, as is the question of whether an adversary can modify the wake word detection code remotely.
New phones are.
Also, AFAIK, Alexa et al. are only sending traffic home after the wake word is heard. I believe this has been confirmed via wireshark.