alt Hacker NewsThere's nothing about this that's horse blinders. It's literally a way to highlight riders that you both agree and disagree with. It actually makes it more likely that you're going to engage with the ones you disagree with, because now they have a red orb.
Might as well just have one ambiguous orb, then.
For a further improvement, let the extension set some orbs automatically at random, to encourage discoveries. Then upgrade this to all the orbs.