I agree with everything you said, and with this statement a fader could do what you want it to do. Shoot, people who dont want the TRUE audiophile sound system probably wouldn't even be able to tell their experiencing phase interference.So yea, I guess its all about who and what a person wants from their system.
Too bad the average person doesn't know how much better their system could sound though lol.
When I first started I was running 4 6x9s, 2 front 2 rear, and it sounded absolutely amazing so I thought. And it did sound decent. But wow, what I was missing out on then.