As with all good lawyer-written documents, they carefully left themselves a loophole:
Originally Posted by hpancho
"The foregoing list of prohibited activities is not intended to be an exhaustive list of all prohibited activities on the Property, and management reserves the right to prohibit any activity or conduct which is detrimental to or inconsistent with a first-class, family oriented shopping center. Managementís interpretation of these Rules of Conduct is conclusive and binding."
If management decides to make an ad-hoc decision that OC or CC is "detrimental to or inconsistent with a first-class, family oriented shopping center," then they may ask you to leave.
That being said, I would agree that there is no specific notice given that prohibits one from OCing.