Personally, I only downvote spam and irrelevant messages (unless the author clearly stated off-topic and explained the reason). If people replies to me, I typi

Personally, I only downvote spam and irrelevant messages (unless the author clearly stated off-topic and explained the reason). If people replies to me, I typically upvote even if I disagree because I appreciate them taking the time to respond to me. If I disagree, I prefer to comment again.