Your idea won't change that, just force more dumbasses to vote without any idea who they are choosing.
http://www.amazon.com/The-Liberty-Amendments-Restoring-American/dp/1451606273 His Men in Black is also a good read.
In the sense that the majority of people are not the ones we hear from? Yes. But I do not think they have any kind of consensus view, no. The reason I want a blank slate is because I want to see the entrenched two party system disposed of, forcing coalition governments where any major moves have to be done with a lot of work and compromise.
Failing to vote is essentially picking "Don't care." for each election you missed, IMO. And I'm ok with someone freely exercising their right to vote, even if by abstention.
Eh, the closet thing we have to being taxed for being a live is healthcare. I was thinking something similar to a property tax for your person.