My understanding is that the idea is to post opinions you actually hold that count as contrarian.
I was mostly thinking of the one about open borders. Hardly anyone thinks that open borders would destroy civilization, but that's an exaggerated version of "open borders are a bad idea". If I disagree that they would destroy civilization, but I agree that they are a bad idea, should I treat it as a contrarian opinion or a non-contrarian opinion?
Furthermore, it sounds like that would not qualify as "opinions you actually hold" unless the poster thought it would destroy civilization.
As per a recent comment this thread is meant to voice contrarian opinions, that is anything this community tends not to agree with. Thus I ask you to post your contrarian views and upvote anything you do not agree with based on personal beliefs. Spam and trolling still needs to be downvoted.