Yes, they do in the US, but doors are open for everyone who strive .... I don't need anyone's approval or a bow in front of any party member if I want to make my space in politics. We have a system here to climb top....1% rules the world. If you don't like it you should prepare to leave the earth.
Even in the US where you live big corporations and 1% do not pay taxes. Tax avoidance through creation of estates is not illegal.
Countries are run based on the taxes from the remaining 99%.
This is how the entire world runs. It should be same in Pakistan too.
PTI should stop being whiners.