The brachycephalic airway syndrome is so serious and common that you might wonder why pitbulls evolved that way in the first place. The most likely explanation is part of selecting for muscularity is increasing metabolic rate and one way to do so is to force the dog to pant.
This is one of those basic things that everyone around should know but somehow they don't: Slavs are more muscular than West Europeans. http://ifbb.com/wp-content/uploads/PDF/RESUTS/2019/european/2019-EBFF-Bodybuilding-Results%20(2).pdf
The muscularity is really obvious in East European faces and this helps to explain the great strength of their voices: East Europeans don't just look threatening, they sound threatening too.