It will fail for two reasons: A) If you want advertising, you're going to have to censor. B) People like to argue. If it is 100% people agreeing, then it loses

It will fail for two reasons: A) If you want advertising, you're going to have to censor. B) People like to argue. If it is 100% people agreeing, then it loses stickiness. Might as well just watch Fox News. They need to see the "wrong" people for validation. Also, there will be trolls that will push the envelop of what non censored can be.