This seems like a great feature for a forum for doing ideological battle, like Twitter on hot-button social or political issues. In such forums, it's important

This seems like a great feature for a forum for doing ideological battle, like Twitter on hot-button social or political issues. In such forums, it's important not to agree on any minor issues with someone with whom you disagree on a major issue, lest you give aid and comfort to the enemy. But it seems wrong for HN.