While the nose has some function in warming, humidifying and filtering - it's fairly slight and certainly doesn't have the exaggerated effects on lung function inter alia purported by this article such as changes to lung elasticity.
See John B West's Respiratory Physiology: The Essentials. recognised as THE text book for understanding lung function in medical circles. e.g. anesthesiology.
Clasically patients with chronic problems tend to have surgery which can often make things worse. Clearly excising mucosa and turbinates can cause further scarring and changes to sensory nerves supplying the mucosa.
No doubt chronic nasal problems are unpleasant and can cause significant distress, but this article ascribes virtually every upper and lower respiratory system problem to ENS.
In reality many other common problems cause this symptoms and signs, such as rhinitis, snoring, OS Apnea, mouth breathing, and peridontal disease.