Why? It is already a problem that the "herd" is doing whatever some blog post tells them to. People need to understand, and to think for themselves. If someone

Why? It is already a problem that the "herd" is doing whatever some blog post tells them to. People need to understand, and to think for themselves. If someone does not understand the difference between causality and correlation - and just takes his dose of X mg of vitamin D then the whole post missed its point.