This is nothing but Lashon Hara against good Jews.
I will not read the piece after reading the 1st page.
The concept of Tzadik is an essential concept to understand when looking at Chassidic Judaism. Apparently people have a problem with understanding it. A tzadik is not divine, but he has the ability to come close because of all his good deeds and his prayers. I will not go into defending it at this time.