There is a post on "Possible Grading Discrimination" on the main site which has been marked "Controversial Post"
Controversial Post — You may use comments ONLY to suggest improvements. You may use answers ONLY to provide a solution to the specific question asked above. Moderators will remove debates, arguments or opinions without notice.
This post has attracted about 200 views, but it's not in Hot Network Questions (HNQs). If a post is marked "Controversial", does it mean that it can no longer become an HNQ later? (probably, for a good reason)