Issue is that we would have to get device makers to buy into it, and also trust them that they show us everything. Also we wouldn't be able to retrofit existing

Issue is that we would have to get device makers to buy into it, and also trust them that they show us everything. Also we wouldn't be able to retrofit existing devices. Most people dont like tinkering with things. A universal device small enough to fit in your pocket, with a nice little display or a usb connector to download data to a laptop and configure rules, is more desirable imo.