Interesting idea. I suppose removing the party affiliation from the record should substantially reduce the amount of political junkmail you receive. Probably not all of it.
Political crap represents a large portion of the junkmail we receive and I hate it too. We shred everything with our name/address on it (my wife's identity theft prevention plan), and between processing the junkmail, and preparing the wife's amazon prime boxes for recycling, I have a solid part time occupation
With all the focus these days on the environment, its surprising to me that no one is protesting the mountains of junkmail we all throw in the trash everyday.