I don't necessarily agree with it either. But the use of the button to express distaste has been misused. You can learn a lot about the views of people from it, which is good and bad. But what I've noticed is there has been some things I don't get why people downvote. Girls have been disproportionately given a dislike for expressing the amount of partners they've been with or their sexuality. In all honesty, that promotes a sexist environment, and gives new female members the impression we're in a community that doesn't welcome any open sexuality from them. Another change lately I've noticed is questions and opinions are dropping like flies. The site has been losing quality members and posts so there's been a serious clean up lately.
I kind of don't blame them because back then this site was very active and interesting. The flaming was down to a minimum, people were a lot more open in discussion, trolling wasn't as bad, and the environment was a lot more friendly.