You may wish to be careful with your wordings. I looked up zealot here, and assumed you meant the second definition:

(n) partisan, zealot, drumbeater (a fervent and even militant proponent of something)

So you propose throwing everyone out of government who fervenly proposes something. That would include all flavors of politician. It would include you too, since you care enough to beat a drum about it incessantly. It would throw out the founding fathers... who were not just fervent, they got militant about it too.

So if you would throw out those who care about it, who would you have run the government?