Yes but that's not records that they actually have. The reason you need a wake word is because that processing is done locally on the device, it's not until you say the wake word that it starts streaming the audio data to the central server for processing.
Its certainly possible for Amazon/Google/Whoever to send your device a firmware update that turns it into an always-on microphone, but it doesn't do that by default
Its certainly possible for Amazon/Google/Whoever to send your device a firmware update that turns it into an always-on microphone, but it doesn't do that by default