I wouldn't be surprised that it is happening now through our 'smart TV's' and our voice generated commands to our cable providers.
Why does anyone think that you must depress the microphone button on your TV remote for it to be able to transmit {and record} voices in your house.
How does alexa get 'accidentally' activated and then sends confidential information to big mother?
RE: They will load every device with ‘intel bugs’ so that every mobile phone will be like ‘alexa’ phoning home to mother china.
But but but... Huawei has assured the west that they are not doing any such things.