Harrow said..
That means there is no way to tell the difference between an idea that 5 people support, and another where 5 people support it, and 5 people don't.
Come to thing of it, if 5 people like an idea, and 5,000 dislike it, you still get the same result. It is quite possible that hoards of seabreezers want to keep the red thumbs, and we won't even know!