You have it backwards: "Any sufficiently advanced technology is indistinguishable from magic." -- Arthur C. Clark's Third Law And this holds true at any given level of technology. In the 15th century, a working electric lightbulb would have been considered witchcraft.

Now, you can install a sensor that allows you to turn on lights with a wave of your hand, which would have been seen as magical in, say, 1920. In a few years, we'll likely be able to install a simple chip in your brain that allows you to control your house with thoughts. Magic is what magic does.

Yes! What would Dark Age serfs thought of cell phones or computers?