I disagree. you don't see this in the army. in the army, the soldiers seem to be more loyal to their chief than the constitution or the country. similarly, our political parties might have a million problems but there is little dispute over leadership. Zardari, NS, etc, enjoy strong support from their parties. so, obviously we can show discipline when needed.
Within army there is strong 'judicial' system in place, if you don't listen to your boss you get punished. That type of loyalty is not seen in political parties as you hear horse-trading/thali-ke-baingan stories every other day. If we can enforce any accountability/justice in govt institutions then we can expect to see results but if things are run on ad-hoc basis then you will see what you are seeing now.