while that article is a very solid look at mixing concepts it was also written by someone who has done many many mixes and developed a sense of tones, dynamic, phase and they countless other facets of mixing a song. the best way to get good at mixing is to do it over and over, read as do it, try new things, as you begin to hear what an article such as blues says, then morph your own concepts with them. there are absolutly no rules of thumb to recording or mixing. if the ends you achieve by whatever method you use yeilds a product which encompasses what the band puts forth it succeeds and youve done a good mix.
treat your console and outboard as an instrument in itself. treat your mixes as a creative instrument. when you mix a band you become a member of that band and your ears and creativity will effect that band as much as a core member. learn your gears capabilities through trial and error. train your ears for nuances. there are no manuals, guides, articles, classes that can replace the experience you gain by sitting at a console, fucking around and loving every second of it.