Dissidenthr pointed out that this happened in 2018, primarily as a means to ensure schizos take their meds. Sure it can and probably will be abused, but the same could be said of pretty much all technology. This has nothing to do with the covid vaccine, and in fact the covid vaccine conspiracies have largely fallen apart and the situation they envisioned failed to materialize, which is why they are constantly being revised in order to explain their failures. It's like a man who predicts the end of the world on a certain date, then changes the date every time it's reached and nothing happens.