Well, not necessarily. First, you would have to prove that this post is good by public consensus. Most of my posts are not good by public consensus. Secondly, if it was, you would be allowed to say that you find it overrated because that could be your personal opinion. Its weird that you have such a problem with personal opinion when discussing a subjective topic like restaurant preference.
Is your ideal message board simply people posting Yes, I agree,?
Most of your posts are not good by public consensus (source, the post I am quoting) and it is still overrated