Down voting is a very blunt tool. Enough down votes can hide a comment. This means you aren't just saying "I disagree" but "this is so wrong no one should read

Down voting is a very blunt tool. Enough down votes can hide a comment. This means you aren't just saying "I disagree" but "this is so wrong no one should read it." It has its place but there's a reason you don't get to do it until your account has received enough upvotes.