Short story idea:

An elderly person living isolated with their best friend. All amenities are delivered autonomously, so we only see these two the entire time. The friend starts acting strangely over time, as if he's developing the early stages of dementia. Slowly hint that the best friend is in fact an AI of some sort, but the protagonist has lived with them so long that they have forgotten. The protagonist eventually remembers and opens up the AI's control panel to fix them. The AI suddenly disappears or powers off. Protagonist looks at the control panel again:

  Suspicious activity detected on your device. Your Google ElderCare MyAI™ account has been permanently suspended. All of your device data will be deleted shortly - Google cares about your privacy.
  Please note this suspension is non-appealable.
  Have a good day.