The only thing scientific about astrology, even generously speaking in historical context, is the observations and measurements of what would now fall under astronomy.
Astrology in the context of personality traits or "archetypes", as you put it, has never been a science and has always been a pseudoscience.
Smarter minds than me understand the workings of quantum entanglement about as well as they understand the workings of gravity. There are plenty of things we don't know.