It is true BIG!
Go and do some research about Byzantine Greeks destroying much of Greece's rich inheritance.
For example, when Justinian closed the Platonic_Academy Platonic_Academy,Theodosius caused the partial destruction of Alexandria Library. The Destruction of the Pagan Temples and banned the Olympic Games How a Catholic Emperor Banned the Olympic Games ~ Canterbury Tales by Dr. Taylor Marshall
Destruction of Pagan Temples
http://penelope.uchicago.edu/~grout/enc ... emple.html
Byzantines Ban Olympic Games.
http://taylormarshall.com/2012/08/how-c ... ympic.html
Destruction of the Library of Alexandria by Theodosius
http://en.wikipedia.org/wiki/Destructio ... Alexandria
It was a fully systematic campaign on destroying Hellenism, pagan temples, art and sculptures from the Hellenistic Period.