The reason why Pashtuns had no kings in native regions before 18th century

[Samandri]

References :Afsana-i-Shahan (written by Shaikh Kabir Bhittani whose grandfather served in the army of Sher Shah Sur)

Thats why Sher Shah Sur did not extend the boundary of his empire westward beyond Indus river, instead he received Afghan chieftains of Roh (Pakhtunkhwa) at Khushab and distributed gifts among them......

[Khostai]

Too bad this did not develop further is some form of democratic goverment...but ended in disfunctional kingdom who could barelly keep it toghether....