No question. But I also know Ian ironed out non-linearities using the digital fabric that were impossible to iron out using the analog fabric. I am sure some of those were cabinet-related which is something you won't be able to do unless you take lots of measurements. The most you can do is implement the analog cross-over in the digital domain.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated