Frankly you make it sound like it's better to not know.
Unless you're in music production, learning "how bad things sound" doesn't sound like a good thing.
Unless you're in music production, learning "how bad things sound" doesn't sound like a good thing.
There's still a lot of room for art in the process, though. With experience you get less attached to your particular sonic leitmotifs, and that helps. Even if you would not personally mix it the same way.