Definitely an interesting idea. The first thought that came to mind was what happens when I disagree with a couple of items on one of these 3rd party blacklist

Definitely an interesting idea. The first thought that came to mind was what happens when I disagree with a couple of items on one of these 3rd party blacklists? Then I thought, FORK IT and make the changes you want. You could even merge in lists from other people. Github for blacklists?