We don’t have 0 below lines. Look at downtown houston. They have below ground lines. Look at recent subdivisions in places like Fannett, TX, they are below ground there.
Are you talking about transmission lines? I’m not sure of any place that runs those below ground.
It might not be malicious. If a moderator is trying to cultivate a new community and wants certain type of content, one of the things they need to control is the rating of that content.