Cultural relations

Israeli doctors who had been invited to Egyptian event in the fight against breast cancer were told at the last minute not to come...
Read more:
http://www.israelnationalnews.com/News/Flash.aspx/172839

The following is part of an excerpt from the Israel-Egypt peace treaty of 1979.

The Parties agree that the normal relationship established between them will include full recognition, diplomatic, economic and cultural relations, termination of economic boycotts and discriminatory barriers to the free movement of people and goods, and will guarantee the mutual enjoyment by citizens of the due process of law. The process by which they undertake to achieve such a relationship parallel to the implementation of other provisions of this Treaty is set out in the annexed protocol (Annex III).
http://www.mfa.gov.il/MFA/Peace%20Process/Guide%20to%20the%20Peace%20Process/Israel-Egypt%20Peace%20Treaty

Seems to me like Egypt is not living up to the cultural relations bit, nor to the free movement of people clause. Does that means Egypt has to return the Sinai to Israel?