/* It does, as soon as your karma reaches 500 or something. A comment voted down sufficiently enough becomes "dead". But again, with sufficient karma you can vouch for a comment and resurrect it from the dead, thus preventing e.g. effects of a brigade attack. There are several more automatic preventive tools. HN is slightly less simple than it looks; maybe this is one of the secrets why it's still alive and relevant after 17 years online. */
