When properly conducted and managed it allows local people such as the Masai, Kikuyu, Samburu, Turkana, Giriama and others to show tourists something of their ways of life, including their homes, areas of work such as agriculture, farming, pastoralism, hunter-gathering and fishing.
Disregarding the cultural norms and customs of the Kenya is extremely offensive to the local people. Your waiter, taxi driver, tour guide, and the local people will be greatly appreciative of you making the extra effort to understand their culture and demonstrating this.
Even if you think you have already read about the culture, make the extra effort and learn about a certain cultural tradition that they have to make your experience that much better, and gain a deeper understanding of the local people and customs.