How Critical is Too Critical?

       When I read a criticism of a performance, I often find it to be rather informative. It is usually meant to help the choreographer, dancers, and director further investigate their piece and it gives a new perspective on the matter. I know that I personally benefit from criticism because it pushes my mind and body to a new level. But can criticism be unhelpful?
       In the mid 1900's, dance critic, Louis Horst wrote a review on Paul Taylor's completely still, Seven New Dances. He titled it "Paul Taylor and Dance Company", left it blank, and signed it with his initials, L.H. Horst definitely made a statement by writing the review this way and said a lot without saying much at all. But was his action too critical? Did it really help? Did it hurt him? It did not necessarily assist Paul Taylor in furthering his work and did not give him any feedback. Then again, maybe this is the reaction he wanted.