I'm not clear on when the down-voting feature should be used.
From: https://craftcms.stackexchange.com/help/privileges/vote-down
What are the alternatives to down-voting?
The up-vote privilege comes first because that's what you should focus on: pushing great content to the top. Down-voting should be reserved for extreme cases. It's not meant as a substitute for communication and editing.
Instead of voting down:
- If the post is spammy or offensive, flag it.
- If the question is duplicate or off-topic, flag it for moderator attention.
- Is something is wrong, please leave a comment or edit the post to correct it.
Should all incorrect answers be voted down?
What does the Craft CMS community consider to be an extreme case?
If a correction to an answer was made via a comment, or post edit, should the answer still be voted down?
What is the best way to edit an incorrect answer without duplicating other answers or comments?