They own the most land in the country. Historically as well.What is so special about these two families that we can not create new leaders ?
We are talking about land for which brother has killed brother, man has killed wife, orphans killed for the share. This is the reason why they still hold actual power in Pakistan which is a land based economy.
The same tactic they applied are only being renewed under PTI but people simply do not care enough to make this point or simply are too desperate hence the fascism.