Praise be to Allah, the Lord of the World; and may His blessings and peace be upon our Prophet Muhammad and upon all his Family and Companions.
After reading from the content of the site you asked about we found out that it spreads only null and void material of the apostate Rashad Khalifah . He started his doctrine by rejecting the whole Sunnah and ended with claiming Prophethood for himself.
He was found dead in his centre which was founded only to oppose Islam and to destroy its fundamentals. May Allah punish him.
Allah knows best.