[mrslave]

Except this implies that disagreement on any policies agreed upon by the two major parties is extremist. What is the solution to issues where both parties perpetuate the status quo?

I would suggest reversing the Senate ballot 6 votes rule. We can have status quo in the lower house, and negotiation with minor parties representing the population on issues they deem most important - and handled incorrectly by the major parties - in the Senate.

It is important to note that you are making an argument for outcomes where the design of the system should be philosophical. What system best represents the will of the people? (Or whatever question best frames this problem. This is troublesome and often prejudicial.) It's the subsequent application of this system that is the people's voice. We should not be designing a system to get the political outcome you prefer.