In Islam, there are symbolic acts that represent the Divine Wisdom. We are not required to search for this hidden wisdom. Acts like Tawaf or circumambulating around the Ka`bah are ta`budi in the sense that we must fulfil them regardless whether their immediate benefits are clear to us or not.
Dr. Rif`at Fawzi, former professor of Shari`ah atCairo Univ., states:
Hajj contains certain rituals that must be performed as learnt from the Qur’an and the Sunnah. Hajj is an act of worship that a Muslim is required to do its rituals with complete submission and sincerity to Allah because the wisdom behind some of these ritual may not be realized by people. So, there should be a complete and full obedience and sincerity to Allah.”
Having stated the above, it should be clear that Hajj contains many rituals whose importance depends on the fact that whether it is obligatory, recommended or Sunnah.