In other words, when everyone thinks you're wrong, do it anyway because you're sure it's right and they'll come around eventually?

This has been the foundation for pretty much all positive social disobedience, but it's wrong a lot more often.

People who disagree with mainstream opinions here, but do so for well articulated and coherent reasons are usually upvoted. If you think something will be downvoted, I think you should take very seriously the idea that it's either very wrong or you're not articulating it well enough for it to be useful.