What about dispearing the comment without the poster knowing it? For example a variation of this would be: If a post has -2 votes, 10% of the users will not se

What about dispearing the comment without the poster knowing it? For example a variation of this would be: If a post has -2 votes, 10% of the users will not see it. If it gets -4, 20% will not see it...etc. The poster will always see it and he has no idea that he is being gradually ignored.