This is about understanding the core idea of the mixing process so that everything else we learn about it makes sense. I feel that in order to make this take on mixing make sense it’s really important to dissect what mixing even is, and why we are making the choices we make, to begin with.
If we go back in time we discover that mixing wasn’t even a thing until about 30 years into the world of making records. It wasn’t even a separate job from “engineering” until around the 80s.
Read more about this here: https://theproaudiofiles.com/what-is-mixing/